perplexus.info :: Probability : Digit Product Puzzle

Digit Product Puzzle (Posted on 2015-09-03)

N is a 6-digit positive integer whose product of the digits is 2520.
What is the probability that the sum of the digits of N is a perfect square?

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

The required probability is 3/28.
For an explanation, refer to the analytic solution submitted by Charlie in this location.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re(2): analytic solution -- corrected	Charlie	2015-09-03 16:32:01
re: analytic solution	Ady TZIDON	2015-09-03 12:17:48
analytic solution	Charlie	2015-09-03 11:06:44

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