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Is 496 a perfect number?

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Is the integer 496 a perfect number (a positive integer which is the sum of its proper positive divisors)?
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496 (number) - Wikipedia, the free encyclopedia
As a perfect number, it is tied to the Mersenne prime 31, 2 5 - 1, with 2 4 ( 2 5 - 1 ) yielding 496. Also related to its being a perfect number, 496 is a harmonic divisor number, since ...
http://en.wikipedia.org/wiki/496_(number)
Perfect number - Wikipedia, the free encyclopedia
The next perfect number is 28 = 1 + 2 + 4 + 7 + 14. This is followed by the perfect numbers 496 and 8128 (sequence A000396 in OEIS. Discovery
http://en.wikipedia.org/wiki/Perfect_number
Perfect numbers
Then 31 × 16 = 496 which is a perfect number. Now Euclid gives a rigorous proof of the Proposition and we have the first significant result on perfect numbers.
http://www-history.mcs.st-and.ac.uk/HistTopics/Perfect_numbers.html
Perfect Numbers
Let's examine the number 496 - one of the known perfect numbers. In order to demonstrate that 496 is a perfect number, we must show that
http://www.grc.nasa.gov/WWW/K-12/Numbers/Math/Mathematical_Thinking/prfc...
18. The perfect number 496
home 2006, last update 25-05-2008. 18. The perfect number 496. In chapter eleven I already mentioned the perfect number. A perfect number is positive integer that is equal to ...
http://members.home.nl/frankcolijn/frankcolijn/18._The%20_perfect_number...

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