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42575907 = 3112532213
BaseRepresentation
bin1010001001101…
…0100000100011
32222010002011110
42202122200203
541344412112
64120314403
71024614003
oct242324043
988102143
1042575907
112203aa00
1212312a03
138a8915a
145924003
153b1013c
hex289a823

42575907 has 24 divisors (see below), whose sum is σ = 63603792. Its totient is φ = 25305280.

The previous prime is 42575899. The next prime is 42575933. The reversal of 42575907 is 70957524.

It is not a de Polignac number, because 42575907 - 23 = 42575899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42575957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18133 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (2650158).

Almost surely, 242575907 is an apocalyptic number.

42575907 is a deficient number, since it is larger than the sum of its proper divisors (21027885).

42575907 is a wasteful number, since it uses less digits than its factorization.

42575907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 42575907 is about 6525.0216091596. The cubic root of 42575907 is about 349.1842416547.

The spelling of 42575907 in words is "forty-two million, five hundred seventy-five thousand, nine hundred seven".

Divisors: 1 3 11 33 53 121 159 363 583 1749 2213 6413 6639 19239 24343 73029 117289 267773 351867 803319 1290179 3870537 14191969 42575907