(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find the sum of all the digits in the integers from 1 to 1 000 000 000.

Ex: 2378:2+3+7+8=20

2. Relevant equations

We're not supposed to use equations for the sum of a series.

3. The attempt at a solution

I really don't have much of a clue as to how to start, so any help pointing me in the right direction would be great.

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# Sum of digits

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