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Using the digits 123456789, find a number such that the left most digit is divisible by 1, two left most digits by 2...

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Given the number 123456789. Find a permutation of the number's digits such, that the left most digit is evenly divisible by 1, the two left most digits are evenly divisible by 2, the three left most digits are divisibly by 3 and so on?

posted Jan 15, 2019 by anonymous

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1 Answer

+1 vote

381654729
381654729 / 9 = 42406081
38165472 / 8 = 4770684
3816547 / 7 = 545221
381654 / 6 = 63609
38165 / 5 = 7633
3816 / 4 = 954
381 / 3 = 127
38 / 2 = 19
3 / 1 = 3

answer Jan 16, 2019 by Tejas Naik



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