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230057073 = 32171979139
BaseRepresentation
bin11011011011001…
…10010001110001
3121000220002222100
431231212101301
5432343311243
634454531013
75462311221
oct1555462161
9530802870
10230057073
11108952314
1265066a69
133887c25c
14227a8081
15152e50d3
hexdb66471

230057073 has 24 divisors (see below), whose sum is σ = 370375200. Its totient is φ = 136750464.

The previous prime is 230057053. The next prime is 230057081. The reversal of 230057073 is 370750032.

230057073 is a `hidden beast` number, since 23 + 0 + 0 + 570 + 73 = 666.

It is not a de Polignac number, because 230057073 - 210 = 230056049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230057033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36663 + ... + 42476.

It is an arithmetic number, because the mean of its divisors is an integer number (15432300).

Almost surely, 2230057073 is an apocalyptic number.

It is an amenable number.

230057073 is a deficient number, since it is larger than the sum of its proper divisors (140318127).

230057073 is a wasteful number, since it uses less digits than its factorization.

230057073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79181 (or 79178 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 230057073 is about 15167.6324124762. The cubic root of 230057073 is about 612.7432418865.

The spelling of 230057073 in words is "two hundred thirty million, fifty-seven thousand, seventy-three".

Divisors: 1 3 9 17 19 51 57 153 171 323 969 2907 79139 237417 712251 1345363 1503641 4036089 4510923 12108267 13532769 25561897 76685691 230057073