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538440954 = 23313728607
BaseRepresentation
bin100000000101111…
…111010011111010
31101112011122010120
4200011333103322
52100320102304
6125232354110
716225446462
oct4005772372
91345148116
10538440954
11256a32727
121303a5936
138772411c
1451720ba2
153240d0d9
hex2017f4fa

538440954 has 16 divisors (see below), whose sum is σ = 1077262848. Its totient is φ = 179416832.

The previous prime is 538440923. The next prime is 538440979. The reversal of 538440954 is 459044835.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4519 + ... + 33125.

It is an arithmetic number, because the mean of its divisors is an integer number (67328928).

Almost surely, 2538440954 is an apocalyptic number.

538440954 is an abundant number, since it is smaller than the sum of its proper divisors (538821894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538440954 is a wasteful number, since it uses less digits than its factorization.

538440954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31749.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 538440954 is about 23204.3305010078. The cubic root of 538440954 is about 813.5408440257.

The spelling of 538440954 in words is "five hundred thirty-eight million, four hundred forty thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 3137 6274 9411 18822 28607 57214 85821 171642 89740159 179480318 269220477 538440954