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230513260 = 22511525663
BaseRepresentation
bin11011011110101…
…01101001101100
3121001202021202011
431233111221230
5433002411020
634512411004
75466221215
oct1557255154
9531667664
10230513260
1110913402a
1265246a64
13389abaa3
142288640c
151538535a
hexdbd5a6c

230513260 has 12 divisors (see below), whose sum is σ = 484077888. Its totient is φ = 92205296.

The previous prime is 230513243. The next prime is 230513267. The reversal of 230513260 is 62315032.

230513260 is digitally balanced in base 3, 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 (230513267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762812 + ... + 5762851.

It is an arithmetic number, because the mean of its divisors is an integer number (40339824).

Almost surely, 2230513260 is an apocalyptic number.

230513260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230513260 is an abundant number, since it is smaller than the sum of its proper divisors (253564628).

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

230513260 is a wasteful number, since it uses less digits than its factorization.

230513260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525672 (or 11525670 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 230513260 is about 15182.6631392520. The cubic root of 230513260 is about 613.1479834014.

Adding to 230513260 its reverse (62315032), we get a palindrome (292828292).

The spelling of 230513260 in words is "two hundred thirty million, five hundred thirteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 11525663 23051326 46102652 57628315 115256630 230513260