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230368065 = 3519808309
BaseRepresentation
bin11011011101100…
…10001101000001
3121001110220120120
431232302031001
5432433234230
634505330453
75465045004
oct1556621501
9531426516
10230368065
11109044a34
1265196a29
133895a985
142284953b
1515357310
hexdbb2341

230368065 has 16 divisors (see below), whose sum is σ = 387988800. Its totient is φ = 116396352.

The previous prime is 230368013. The next prime is 230368067. The reversal of 230368065 is 560863032.

230368065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230368065 - 216 = 230302529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230368067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403870 + ... + 404439.

It is an arithmetic number, because the mean of its divisors is an integer number (24249300).

Almost surely, 2230368065 is an apocalyptic number.

It is an amenable number.

230368065 is a deficient number, since it is larger than the sum of its proper divisors (157620735).

230368065 is a wasteful number, since it uses less digits than its factorization.

230368065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808336.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 230368065 is about 15177.8807809259. The cubic root of 230368065 is about 613.0192204259.

The spelling of 230368065 in words is "two hundred thirty million, three hundred sixty-eight thousand, sixty-five".

Divisors: 1 3 5 15 19 57 95 285 808309 2424927 4041545 12124635 15357871 46073613 76789355 230368065