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230809564 = 2257702391
BaseRepresentation
bin11011100000111…
…01111111011100
3121002022100012101
431300131333130
5433041401224
634523014444
75501564116
oct1560357734
9532270171
10230809564
11109316707
126536a424
1338a8390b
14229223b6
15153e3044
hexdc1dfdc

230809564 has 6 divisors (see below), whose sum is σ = 403916744. Its totient is φ = 115404780.

The previous prime is 230809559. The next prime is 230809597. The reversal of 230809564 is 465908032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28851192 + ... + 28851199.

Almost surely, 2230809564 is an apocalyptic number.

It is an amenable number.

230809564 is a deficient number, since it is larger than the sum of its proper divisors (173107180).

230809564 is a wasteful number, since it uses less digits than its factorization.

230809564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57702395 (or 57702393 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 230809564 is about 15192.4179773991. The cubic root of 230809564 is about 613.4105863886.

The spelling of 230809564 in words is "two hundred thirty million, eight hundred nine thousand, five hundred sixty-four".

Divisors: 1 2 4 57702391 115404782 230809564