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230818968 = 23328393821
BaseRepresentation
bin11011100001000…
…00010010011000
3121002022211002200
431300200102120
5433042201333
634523130200
75501633412
oct1560402230
9532284080
10230818968
11109322786
1265373960
1338a87c93
14229259b2
15153e5c13
hexdc20498

230818968 has 48 divisors (see below), whose sum is σ = 626043600. Its totient is φ = 76827840.

The previous prime is 230818957. The next prime is 230818981. The reversal of 230818968 is 869818032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58498 + ... + 62318.

It is an arithmetic number, because the mean of its divisors is an integer number (13042575).

Almost surely, 2230818968 is an apocalyptic number.

It is an amenable number.

230818968 is an abundant number, since it is smaller than the sum of its proper divisors (395224632).

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

230818968 is a wasteful number, since it uses less digits than its factorization.

230818968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 230818968 is about 15192.7274707341. The cubic root of 230818968 is about 613.4189171162.

The spelling of 230818968 in words is "two hundred thirty million, eight hundred eighteen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 839 1678 2517 3356 3821 5034 6712 7551 7642 10068 11463 15102 15284 20136 22926 30204 30568 34389 45852 60408 68778 91704 137556 275112 3205819 6411638 9617457 12823276 19234914 25646552 28852371 38469828 57704742 76939656 115409484 230818968