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230462980 = 225111047559
BaseRepresentation
bin11011011110010…
…01011000000100
3121001122201202221
431233021120010
5432444303410
634511342124
75465621506
oct1557113004
9531581687
10230462980
111090aa280
1265221944
1338991c37
1422871d76
15153754da
hexdbc9604

230462980 has 24 divisors (see below), whose sum is σ = 527970240. Its totient is φ = 83804640.

The previous prime is 230462977. The next prime is 230462983. The reversal of 230462980 is 89264032.

It is an interprime number because it is at equal distance from previous prime (230462977) and next prime (230462983).

It is a super-2 number, since 2×2304629802 = 106226370300960800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230462983) by changing a digit.

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, 523560 + ... + 523999.

It is an arithmetic number, because the mean of its divisors is an integer number (21998760).

Almost surely, 2230462980 is an apocalyptic number.

230462980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230462980 is an abundant number, since it is smaller than the sum of its proper divisors (297507260).

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

230462980 is a wasteful number, since it uses less digits than its factorization.

230462980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047579 (or 1047577 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 230462980 is about 15181.0072129619. The cubic root of 230462980 is about 613.1033998167.

The spelling of 230462980 in words is "two hundred thirty million, four hundred sixty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1047559 2095118 4190236 5237795 10475590 11523149 20951180 23046298 46092596 57615745 115231490 230462980