Arithmetic properties of the sum of the first $$n$$n values of the Euler function
Arithmetic properties of the sum of the first $$n$$n values of the Euler function
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DOI:
10.1007/s40590-014-0045-3
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发表时间:
2015-04
期刊:
影响因子:
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通讯作者:
R. Balasubramanian;F. Luca;D. Ralaivaosaona
中科院分区:
文献类型:
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作者:
R. Balasubramanian;F. Luca;D. Ralaivaosaona
We give an upper bound on the counting function of the set ofsuch that the summatory function of the Euler function up tois a square. Our estimate improves upon a previous estimate provided by Florian Luca and A. Sankaranarayanan.