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Quadruple Digit Sum and Number Puzzle (Posted on 2016-06-01) Difficulty: 3 of 5
S(N) denotes the sum of the digits of a positive integer N.

Find the largest value of N such that:
N = 4*S(N)

No Solution Yet Submitted by K Sengupta    
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Andwer Comment 1 of 1
D1:
Must be a 2  digit number:
10x+y=4x+4y
6x=3y
48 is the biggest  N possible


  Posted by Ady TZIDON on 2016-06-01 08:18:47
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