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232057923 = 31973071279
BaseRepresentation
bin11011101010011…
…10110001000011
3121011122202121220
431311032301003
5433401323143
635005450123
75515313466
oct1565166103
9534582556
10232057923
11109a99609
1265870943
13390ccba6
1422b692dd
151558cd83
hexdd4ec43

232057923 has 16 divisors (see below), whose sum is σ = 312238080. Its totient is φ = 153298656.

The previous prime is 232057901. The next prime is 232057951. The reversal of 232057923 is 329750232.

It is not a de Polignac number, because 232057923 - 213 = 232049731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232057823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180798 + ... + 182076.

It is an arithmetic number, because the mean of its divisors is an integer number (19514880).

Almost surely, 2232057923 is an apocalyptic number.

232057923 is a deficient number, since it is larger than the sum of its proper divisors (80180157).

232057923 is a wasteful number, since it uses less digits than its factorization.

232057923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 232057923 is about 15233.4475086896. The cubic root of 232057923 is about 614.5144981830.

The spelling of 232057923 in words is "two hundred thirty-two million, fifty-seven thousand, nine hundred twenty-three".

Divisors: 1 3 197 307 591 921 1279 3837 60479 181437 251963 392653 755889 1177959 77352641 232057923