What is Perfect Number
Level
pending
Which of these is a perfect number?
496
54
432
64
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1 solution
A perfect number is any positive integer that is the sum of all its divisors (sans the number itself). Of these choices, 496 is such a number since:
4 9 6 = 1 + 2 + 4 + 8 + 1 6 + 3 1 + 6 2 + 1 2 4 + 2 4 8 .