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230053263 = 31131224881
BaseRepresentation
bin11011011011001…
…01010110001111
3121000212220202020
431231211112033
5432343201023
634454501223
75462264136
oct1555452617
9530786666
10230053263
1110894a470
1265064813
133887a5bb
14227a691d
15152e3de3
hexdb6558f

230053263 has 16 divisors (see below), whose sum is σ = 345418752. Its totient is φ = 134928000.

The previous prime is 230053223. The next prime is 230053279. The reversal of 230053263 is 362350032.

It is not a de Polignac number, because 230053263 - 216 = 229987727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230053223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111418 + ... + 113463.

It is an arithmetic number, because the mean of its divisors is an integer number (21588672).

Almost surely, 2230053263 is an apocalyptic number.

230053263 is a deficient number, since it is larger than the sum of its proper divisors (115365489).

230053263 is a wasteful number, since it uses less digits than its factorization.

230053263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224926.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 230053263 is about 15167.5068155581. The cubic root of 230053263 is about 612.7398592989.

The spelling of 230053263 in words is "two hundred thirty million, fifty-three thousand, two hundred sixty-three".

Divisors: 1 3 11 31 33 93 341 1023 224881 674643 2473691 6971311 7421073 20913933 76684421 230053263