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Serbia Contests
Serbia National Math Olympiad
2009 Serbia National Math Olympiad
2
2
Part of
2009 Serbia National Math Olympiad
Problems
(1)
Serbian MO 2009
Source:
1/24/2016
Find the smallest natural number which is a multiple of
2009
2009
2009
and whose sum of (decimal) digits equals
2009
2009
2009
Proposed by Milos Milosavljevic
number theory