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230165260 = 22513885251
BaseRepresentation
bin11011011100000…
…00101100001100
3121001002121101021
431232000230030
5432410242020
634501123524
75463241513
oct1556005414
9531077337
10230165260
11108a16626
12650b95a4
13388b9580
14227d567a
15153171aa
hexdb80b0c

230165260 has 24 divisors (see below), whose sum is σ = 520528176. Its totient is φ = 84984000.

The previous prime is 230165249. The next prime is 230165263. The reversal of 230165260 is 62561032.

It is not an unprimeable number, because it can be changed into a prime (230165263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442366 + ... + 442885.

It is an arithmetic number, because the mean of its divisors is an integer number (21688674).

Almost surely, 2230165260 is an apocalyptic number.

230165260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230165260 is an abundant number, since it is smaller than the sum of its proper divisors (290362916).

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

230165260 is a wasteful number, since it uses less digits than its factorization.

230165260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885273 (or 885271 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 230165260 is about 15171.1983705968. The cubic root of 230165260 is about 612.8392767003.

The spelling of 230165260 in words is "two hundred thirty million, one hundred sixty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 885251 1770502 3541004 4426255 8852510 11508263 17705020 23016526 46033052 57541315 115082630 230165260