Zentralblatt MATH

Publications of (and about) Paul Erdös

Zbl.No:  061.08005
Autor:  Erdös, Paul
Title:  Some remarks on Euler's \phi-function and some related problems. (In English)
Source:  Bull. Am. Math. Soc. 51, 540-544 (1945).
Review:  Using Brun's method the author proves, that if N \geq 3 the number of integers n not exceed N, for which the equation \phi(x) = n is solvable, is greater tan a positive constant times N(log N)-1 log log N.
Classif.:  * 11N64 Characterization of arithmetic functions
                   11A25 Arithmetic functions, etc.
Index Words:  number theory

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