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Some sum sod settlement (Posted on 2011-02-15) Difficulty: 3 of 5
N is a positive base ten integer satisfying:

sod(N) + sod(sod(N)) + sod(sod(sod(N))) = 2007.

where, sod(N) denotes the sum of digits of N.

Determine the minimum value of N.

No Solution Yet Submitted by K Sengupta    
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Comments: ( Back to comment list | You must be logged in to post comments.)
re: a lower number | Comment 3 of 4 |
(In reply to a lower number by Steve Herman)

No doubt , you are right, I just treated it carelessly, albeit very quickly- a minute or two at most.

Intuition is not the optimal guide.

  Posted by Ady TZIDON on 2011-02-15 15:24:24
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