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230105868 = 22392920641
BaseRepresentation
bin11011011011100…
…10001100001100
3121000222120220120
431231302030030
5432401341433
634455544540
75462603406
oct1555621414
9530876816
10230105868
11108985a43
126508b150
1338898525
14227bbb76
15153047b3
hexdb7230c

230105868 has 24 divisors (see below), whose sum is σ = 537517680. Its totient is φ = 76615680.

The previous prime is 230105861. The next prime is 230105873. The reversal of 230105868 is 868501032.

It is a happy number.

230105868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230105861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (22396570).

Almost surely, 2230105868 is an apocalyptic number.

It is an amenable number.

230105868 is an abundant number, since it is smaller than the sum of its proper divisors (307411812).

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

230105868 is a wasteful number, since it uses less digits than its factorization.

230105868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21577 (or 21575 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 230105868 is about 15169.2408511435. The cubic root of 230105868 is about 612.7865596779.

The spelling of 230105868 in words is "two hundred thirty million, one hundred five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 929 1858 2787 3716 5574 11148 20641 41282 61923 82564 123846 247692 19175489 38350978 57526467 76701956 115052934 230105868