Arthur tells you to guess the 6-digit natural number he is thinking of. The only hint he gives is that the sum of all the digits is 43. Further persuasion leads him to reveal that it is a perfect square and less than 500000.
What is Arthur’s number?
Arthur tells you to guess the 6-digit natural number he is thinking of. The only hint he gives is that the sum of all the digits is 43. Further persuasion leads him to reveal that it is a perfect square and less than 500000.
What is Arthur’s number?