andrei
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A palindrome is a number which reads the same backward or forward (e.g. 434, 87678, etc.). Could you prove that for any integer n (not divisible by 10) there is a palindrome divisible by n? *** I've checked for all numbers up to 162, it's true: 81* 12345679= 999999999 172839506*162=27999999972 Is there any simple proof for any integer?