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230311488 = 26311109049
BaseRepresentation
bin11011011101001…
…00011001000000
3121001101000222010
431232210121000
5432424431423
634504212520
75464421031
oct1556443100
9531330863
10230311488
11109006480
126516a140
133893acb4
1422832a88
1515345693
hexdba4640

230311488 has 56 divisors (see below), whose sum is σ = 664768800. Its totient is φ = 69790720.

The previous prime is 230311469. The next prime is 230311507. The reversal of 230311488 is 884113032.

It is an interprime number because it is at equal distance from previous prime (230311469) and next prime (230311507).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52413 + ... + 56636.

Almost surely, 2230311488 is an apocalyptic number.

It is an amenable number.

230311488 is an abundant number, since it is smaller than the sum of its proper divisors (434457312).

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

230311488 is a wasteful number, since it uses less digits than its factorization.

230311488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109075 (or 109065 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 230311488 is about 15176.0168687307. The cubic root of 230311488 is about 612.9690317157.

The spelling of 230311488 in words is "two hundred thirty million, three hundred eleven thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 704 1056 2112 109049 218098 327147 436196 654294 872392 1199539 1308588 1744784 2399078 2617176 3489568 3598617 4798156 5234352 6979136 7197234 9596312 10468704 14394468 19192624 20937408 28788936 38385248 57577872 76770496 115155744 230311488