How many numbers between 1 and 100 (excluded) satisfy that the sum of the squares of its digits divides the number?

Help please

Thank you.

- Nov 22nd 2010, 06:26 PMguidol92Sum of squares of digits dividing the number with those digits
How many numbers between 1 and 100 (excluded) satisfy that the sum of the squares of its digits divides the number?

Help please

Thank you. - Nov 22nd 2010, 10:03 PMchiph588@
- Nov 22nd 2010, 10:03 PMchiph588@
- Nov 22nd 2010, 11:14 PMShanks
- Nov 23rd 2010, 03:40 PMchiph588@
- Nov 27th 2010, 02:38 PMqmech
A computer search finds the numbers: 1, 10, 20 and 50.

- Nov 28th 2010, 06:05 AMelemental
@Chip

so

- Nov 28th 2010, 09:22 PMchiph588@