A number theory problem by rajesh ghosh
Nx is a family of numbers for different natural numbered values of x. They share a common property of having 24 factors in each of the numbers. All the elements of N are arranged in ascending order as follows: N1 < N2 < N3…….and so on. Now, digital sum of a number is defined as the sum of all the digits of number until we get a single digit. What is the digital sum of N1?
The answer is 9.
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