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230708864 = 2713912967
BaseRepresentation
bin11011100000001…
…01011010000000
3121002010020001202
431300011122000
5433030140424
634520520332
75500664411
oct1560053200
9532106052
10230708864
11109257a91
12653200a8
1338a49b29
14228d7808
15153c32ae
hexdc05680

230708864 has 32 divisors (see below), whose sum is σ = 462957600. Its totient is φ = 114515712.

The previous prime is 230708861. The next prime is 230708879. The reversal of 230708864 is 468807032.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (230708861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11309 + ... + 24275.

It is an arithmetic number, because the mean of its divisors is an integer number (14467425).

Almost surely, 2230708864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230708864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231478800).

230708864 is an abundant number, since it is smaller than the sum of its proper divisors (232248736).

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

230708864 is a wasteful number, since it uses less digits than its factorization.

230708864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13120 (or 13108 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 230708864 is about 15189.1034626801. The cubic root of 230708864 is about 613.3213650259.

The spelling of 230708864 in words is "two hundred thirty million, seven hundred eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 139 278 556 1112 2224 4448 8896 12967 17792 25934 51868 103736 207472 414944 829888 1659776 1802413 3604826 7209652 14419304 28838608 57677216 115354432 230708864