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230748556 = 2257687139
BaseRepresentation
bin11011100000011…
…11000110001100
3121002012020111211
431300033012030
5433032423211
634521424204
75501221213
oct1560170614
9532166454
10230748556
11109284895
126533b064
1338a61c0c
142290807a
15153cee21
hexdc0f18c

230748556 has 6 divisors (see below), whose sum is σ = 403809980. Its totient is φ = 115374276.

The previous prime is 230748527. The next prime is 230748571. The reversal of 230748556 is 655847032.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28843566 + ... + 28843573.

Almost surely, 2230748556 is an apocalyptic number.

It is an amenable number.

230748556 is a deficient number, since it is larger than the sum of its proper divisors (173061424).

230748556 is a wasteful number, since it uses less digits than its factorization.

230748556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57687143 (or 57687141 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 230748556 is about 15190.4100010500. The cubic root of 230748556 is about 613.3565356954.

The spelling of 230748556 in words is "two hundred thirty million, seven hundred forty-eight thousand, five hundred fifty-six".

Divisors: 1 2 4 57687139 115374278 230748556