N is a positive integer. S(N) denotes the sum of digits of N and P(N) denotes the product of digits of N.

Determine the values of N given that: N = 2*S(N)*P(N)

12 =2*3*2 looks as a nice N 

Rest my trials here.

Posted by Ady TZIDON on 2014-12-31 11:24:52