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230678514 = 232112105913
BaseRepresentation
bin11011011111111…
…01111111110010
3121002001200102200
431233331333302
5433023203024
634520124030
75500510053
oct1557757762
9532050380
10230678514
11109237200
1265306616
1338a39081
14228ca72a
15153b92c9
hexdbfdff2

230678514 has 36 divisors (see below), whose sum is σ = 549375918. Its totient is φ = 69901920.

The previous prime is 230678509. The next prime is 230678551. The reversal of 230678514 is 415876032.

It can be written as a sum of positive squares in only one way, i.e., 187553025 + 43125489 = 13695^2 + 6567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50779 + ... + 55134.

Almost surely, 2230678514 is an apocalyptic number.

230678514 is an abundant number, since it is smaller than the sum of its proper divisors (318697404).

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

230678514 is a wasteful number, since it uses less digits than its factorization.

230678514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105943 (or 105929 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 230678514 is about 15188.1043583457. The cubic root of 230678514 is about 613.2944694840.

The spelling of 230678514 in words is "two hundred thirty million, six hundred seventy-eight thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 2178 105913 211826 317739 635478 953217 1165043 1906434 2330086 3495129 6990258 10485387 12815473 20970774 25630946 38446419 76892838 115339257 230678514