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23083144 = 2371724247
BaseRepresentation
bin101100000001…
…1100010001000
31121102202010021
41120003202020
521402130034
62142430224
7400126540
oct130034210
947382107
1023083144
1112036787
127892374
134a22886
1430cc320
15205e6b4
hex1603888

23083144 has 32 divisors (see below), whose sum is σ = 52375680. Its totient is φ = 9310464.

The previous prime is 23083141. The next prime is 23083169. The reversal of 23083144 is 44138032.

It is not an unprimeable number, because it can be changed into a prime (23083141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11172 + ... + 13075.

It is an arithmetic number, because the mean of its divisors is an integer number (1636740).

Almost surely, 223083144 is an apocalyptic number.

It is an amenable number.

23083144 is an abundant number, since it is smaller than the sum of its proper divisors (29292536).

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

23083144 is a wasteful number, since it uses less digits than its factorization.

23083144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24277 (or 24273 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23083144 is about 4804.4920647244. The cubic root of 23083144 is about 284.7289677353.

The spelling of 23083144 in words is "twenty-three million, eighty-three thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 24247 48494 96988 169729 193976 339458 412199 678916 824398 1357832 1648796 2885393 3297592 5770786 11541572 23083144