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Up and up (Posted on 2017-03-22) Difficulty: 3 of 5
Find the largest number whose square
has strictly increasing digits.

No Solution Yet Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

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Solution Solution | Comment 1 of 2
If I didn't err, the solution is 367^2 = 134689

There aren't that many numbers to check by scanning a table of square roots.  

  Posted by Jer on 2017-03-22 08:36:30
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