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Weird numbers (Posted on 2014-05-02) Difficulty: 2 of 5
A weird number is a positive integer n such that the sum of the proper divisors of n is greater than n, but no subset of its proper divisors add up to n. What is the smallest weird number?

  Submitted by Math Man    
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  Subject Author Date
Solutioncomputer solutionCharlie2014-05-02 16:50:42
SolutionANSWERAdy TZIDON2014-05-02 13:43:59
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