More problems in 2016 part 10 "Last 3 Digits"

Number Theory Level 5

∑ n = 3 500 , 000 , 000 ( n n + n 2 n ) \large\sum_{n=3}^{500,000,000}(n^{n}+n^{2n})

Find the last three digits of the summation above.


The answer is 478.

A Former Brilliant Member by A Former Brilliant Member

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