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230680307 = 11131613149
BaseRepresentation
bin11011011111111…
…10011011110011
3121002001202220002
431233332123303
5433023232212
634520140215
75500515224
oct1557763363
9532052802
10230680307
11109238590
126530766b
1338a39b30
14228cb24b
15153b9ac2
hexdbfe6f3

230680307 has 8 divisors (see below), whose sum is σ = 271009200. Its totient is φ = 193577760.

The previous prime is 230680283. The next prime is 230680313. The reversal of 230680307 is 703086032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230680307 - 26 = 230680243 is a prime.

It is a super-2 number, since 2×2306803072 = 106426808075228498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230680307.

It is not an unprimeable number, because it can be changed into a prime (230680357) 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, 806432 + ... + 806717.

It is an arithmetic number, because the mean of its divisors is an integer number (33876150).

Almost surely, 2230680307 is an apocalyptic number.

230680307 is a deficient number, since it is larger than the sum of its proper divisors (40328893).

230680307 is a wasteful number, since it uses less digits than its factorization.

230680307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613173.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 230680307 is about 15188.1633846887. The cubic root of 230680307 is about 613.2960584690.

The spelling of 230680307 in words is "two hundred thirty million, six hundred eighty thousand, three hundred seven".

Divisors: 1 11 13 143 1613149 17744639 20970937 230680307