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Recover a number (Posted on 2019-10-29) Difficulty: 2 of 5
A certain positive integer N is twice the product of its digits.

Find N.

See The Solution Submitted by Ady TZIDON    
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  Subject Author Date
You let i run to square root of n, if divided, add i and n / i.Annika Muhr2020-03-24 07:17:02
re: by handAdy TZIDON2019-10-29 12:39:11
by handxdog2019-10-29 12:01:05
computer solutionSteven Lord2019-10-29 09:57:33
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