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23057732 = 2283199349
BaseRepresentation
bin101011111110…
…1010101000100
31121101110021002
41113331111010
521400321412
62142112432
7366662465
oct127752504
947343232
1023057732
1112019685
12787b718
134a14139
1430c2d6c
152056dc2
hex15fd544

23057732 has 24 divisors (see below), whose sum is σ = 41160000. Its totient is φ = 11300256.

The previous prime is 23057719. The next prime is 23057743. The reversal of 23057732 is 23775032.

It is a junction number, because it is equal to n+sod(n) for n = 23057695 and 23057704.

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, 65894 + ... + 66242.

It is an arithmetic number, because the mean of its divisors is an integer number (1715000).

Almost surely, 223057732 is an apocalyptic number.

It is an amenable number.

23057732 is a deficient number, since it is larger than the sum of its proper divisors (18102268).

23057732 is a wasteful number, since it uses less digits than its factorization.

23057732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 23057732 is about 4801.8467280829. The cubic root of 23057732 is about 284.6244442884.

The spelling of 23057732 in words is "twenty-three million, fifty-seven thousand, seven hundred thirty-two".

Divisors: 1 2 4 83 166 199 332 349 398 698 796 1396 16517 28967 33034 57934 66068 69451 115868 138902 277804 5764433 11528866 23057732