Abstract
We obtain a new lower bound on the number of prime divisors of integers whose g-ary expansion contains a fixed number of nonzero digits.
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Communicated by Attila Pethő
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Shparlinski, I.E. Exponential sums and prime divisors of sparse integers. Period Math Hung 57, 93–99 (2008). https://doi.org/10.1007/s10998-008-7093-3
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DOI: https://doi.org/10.1007/s10998-008-7093-3