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PEN S Problems
22
S 22
S 22
Source:
May 25, 2007
Miscellaneous Problems
Problem Statement
The decimal expression of the natural number
a
a
a
consists of
n
n
n
digits, while that of
a
3
a^3
a
3
consists of
m
m
m
digits. Can
n
+
m
n+m
n
+
m
be equal to
2001
2001
2001
?
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