# Can't factor this

$$738$$ can be written as $$\overline{a}+\overline{aa}+\overline{aaa}$$. If $$6a = 9b$$, find $$b$$.

Details and Assumptions

The line above a number indicates the concatenation of integers. For example, if $$c= 5,d=7,e=9$$, then $$\overline{cde} = 579$$.

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