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230756842 = 21074672309
BaseRepresentation
bin11011100000100…
…01000111101010
3121002012122212201
431300101013222
5433033204332
634521530414
75501254321
oct1560210752
9532178781
10230756842
11109290038
1265343a0a
1338a65914
142290b0b8
15153d25e7
hexdc111ea

230756842 has 16 divisors (see below), whose sum is σ = 350269920. Its totient is φ = 114005968.

The previous prime is 230756837. The next prime is 230756891. The reversal of 230756842 is 248657032.

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 in 7 ways as a sum of consecutive naturals, for example, 98784 + ... + 101092.

It is an arithmetic number, because the mean of its divisors is an integer number (21891870).

Almost surely, 2230756842 is an apocalyptic number.

230756842 is a deficient number, since it is larger than the sum of its proper divisors (119513078).

230756842 is a wasteful number, since it uses less digits than its factorization.

230756842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 230756842 is about 15190.6827364671. The cubic root of 230756842 is about 613.3638773252.

The spelling of 230756842 in words is "two hundred thirty million, seven hundred fifty-six thousand, eight hundred forty-two".

Divisors: 1 2 107 214 467 934 2309 4618 49969 99938 247063 494126 1078303 2156606 115378421 230756842