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183230131 = 7172416389
BaseRepresentation
bin10101110101111…
…01111010110011
3110202210001111011
422322331322303
5333401331011
630103131351
74353300430
oct1272757263
9422701434
10183230131
1194479567
1251443b57
132bc651c6
141a498b87
1511145621
hexaebdeb3

183230131 has 16 divisors (see below), whose sum is σ = 222678720. Its totient is φ = 147179520.

The previous prime is 183230083. The next prime is 183230141. The reversal of 183230131 is 131032381.

It is a cyclic number.

It is not a de Polignac number, because 183230131 - 213 = 183221939 is a prime.

It is a super-2 number, since 2×1832301312 = 67146561812554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (183230141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25485 + ... + 31873.

It is an arithmetic number, because the mean of its divisors is an integer number (13917420).

Almost surely, 2183230131 is an apocalyptic number.

183230131 is a deficient number, since it is larger than the sum of its proper divisors (39448589).

183230131 is a wasteful number, since it uses less digits than its factorization.

183230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 183230131 is about 13536.2524725272. The cubic root of 183230131 is about 567.9790243444.

The spelling of 183230131 in words is "one hundred eighty-three million, two hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 17 119 241 1687 4097 6389 28679 44723 108613 760291 1539749 10778243 26175733 183230131