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189479058 = 231910331609
BaseRepresentation
bin10110100101100…
…11100010010010
3111012112112101220
423102303202102
5342001312213
630445105510
74460355036
oct1322634222
9435475356
10189479058
1197a5746a
1253558296
13303425b2
141b2441c6
151197be23
hexb4b3892

189479058 has 32 divisors (see below), whose sum is σ = 399537600. Its totient is φ = 59740416.

The previous prime is 189479053. The next prime is 189479063. The reversal of 189479058 is 850974981.

It is an interprime number because it is at equal distance from previous prime (189479053) and next prime (189479063).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 189479058.

It is not an unprimeable number, because it can be changed into a prime (189479053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116958 + ... + 118566.

It is an arithmetic number, because the mean of its divisors is an integer number (12485550).

Almost surely, 2189479058 is an apocalyptic number.

189479058 is an abundant number, since it is smaller than the sum of its proper divisors (210058542).

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

189479058 is a wasteful number, since it uses less digits than its factorization.

189479058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 189479058 is about 13765.1392292269. The cubic root of 189479058 is about 574.3638161042.

The spelling of 189479058 in words is "one hundred eighty-nine million, four hundred seventy-nine thousand, fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 1033 1609 2066 3099 3218 4827 6198 9654 19627 30571 39254 58881 61142 91713 117762 183426 1662097 3324194 4986291 9972582 31579843 63159686 94739529 189479058