On the distribution of some means concerning the Euler function
Jean-Marc Deshouillers and Florian Luca
Source: Funct. Approx. Comment. Math. Volume 39, Number 2 (2008), 335-344.
Abstract
In this paper, we show that the sequences of arithmetic, geometric and harmonic means of the first $n$ values of the Euler function are all three dense modulo $1$. This answers in the affirmative a question of A. Schinzel.
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Mathematical Reviews number (MathSciNet):
MR2490744
Functiones et Approximatio Commentarii Mathematici