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230554056 = 23319505601
BaseRepresentation
bin11011011110111…
…11100111001000
3121001211100201010
431233133213020
5433010212211
634513323520
75466451155
oct1557374710
9531740633
10230554056
11109161747
12652665a0
13389c4525
142289722c
15153924a6
hexdbdf9c8

230554056 has 32 divisors (see below), whose sum is σ = 606722400. Its totient is φ = 72806400.

The previous prime is 230554043. The next prime is 230554073. The reversal of 230554056 is 650455032.

It is a super-2 number, since 2×2305540562 = 106310345476102272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252345 + ... + 253256.

It is an arithmetic number, because the mean of its divisors is an integer number (18960075).

Almost surely, 2230554056 is an apocalyptic number.

It is an amenable number.

230554056 is an abundant number, since it is smaller than the sum of its proper divisors (376168344).

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

230554056 is a wasteful number, since it uses less digits than its factorization.

230554056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505629 (or 505625 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 230554056 is about 15184.0065858784. The cubic root of 230554056 is about 613.1841527012.

The spelling of 230554056 in words is "two hundred thirty million, five hundred fifty-four thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 505601 1011202 1516803 2022404 3033606 4044808 6067212 9606419 12134424 19212838 28819257 38425676 57638514 76851352 115277028 230554056