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Problem #342

Digit Frequency

Let x be the largest 444-digit decimal number that satisfies the following properties:

The frequency of each digit in x \ge 111.

It should be a perfect square.

The frequency of each digit in the square root of x is also \ge 111.

You need to find the sum of digits of its square root.

Contributed by SHUBHAM KUMAR VERMA

Solved by 100 users

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