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230630684 = 2289647839
BaseRepresentation
bin11011011111100…
…10010100011100
3121001222020211012
431233302110130
5433020140214
634515114352
75500220444
oct1557622434
9531866735
10230630684
11109204279
12652a29b8
1338a2037b
14228b7124
15153aa03e
hexdbf251c

230630684 has 12 divisors (see below), whose sum is σ = 408139200. Its totient is φ = 114019488.

The previous prime is 230630677. The next prime is 230630711. The reversal of 230630684 is 486036032.

It is a self number, because there is not a number n which added to its sum of digits gives 230630684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323564 + ... + 324275.

It is an arithmetic number, because the mean of its divisors is an integer number (34011600).

Almost surely, 2230630684 is an apocalyptic number.

It is an amenable number.

230630684 is a deficient number, since it is larger than the sum of its proper divisors (177508516).

230630684 is a wasteful number, since it uses less digits than its factorization.

230630684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647932 (or 647930 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 230630684 is about 15186.5296891686. The cubic root of 230630684 is about 613.2520787391.

The spelling of 230630684 in words is "two hundred thirty million, six hundred thirty thousand, six hundred eighty-four".

Divisors: 1 2 4 89 178 356 647839 1295678 2591356 57657671 115315342 230630684