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230613093 = 32831392221
BaseRepresentation
bin11011011111011…
…10000001100101
3121001221100200200
431233232001211
5433014104333
634514501113
75500115244
oct1557560145
9531840620
10230613093
111091a2037
1265294799
1338a15369
14228b095b
15153a4c13
hexdbee065

230613093 has 24 divisors (see below), whose sum is σ = 339699360. Its totient is φ = 150729120.

The previous prime is 230613091. The next prime is 230613107. The reversal of 230613093 is 390316032.

It is not a de Polignac number, because 230613093 - 21 = 230613091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230613091) 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, 102723 + ... + 104943.

It is an arithmetic number, because the mean of its divisors is an integer number (14154140).

Almost surely, 2230613093 is an apocalyptic number.

It is an amenable number.

230613093 is a deficient number, since it is larger than the sum of its proper divisors (109086267).

230613093 is a wasteful number, since it uses less digits than its factorization.

230613093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 230613093 is about 15185.9505135503. The cubic root of 230613093 is about 613.2364867236.

The spelling of 230613093 in words is "two hundred thirty million, six hundred thirteen thousand, ninety-three".

Divisors: 1 3 9 83 139 249 417 747 1251 2221 6663 11537 19989 34611 103833 184343 308719 553029 926157 1659087 2778471 25623677 76871031 230613093