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230958260 = 225131752253
BaseRepresentation
bin11011100010000…
…10010010110100
3121002120220011122
431301002102310
5433111131020
634530123112
75503053461
oct1561022264
9532526148
10230958260
111094083a5
1265420498
1338b064c0
1422960668
1515422125
hexdc424b4

230958260 has 48 divisors (see below), whose sum is σ = 553056336. Its totient is φ = 80259072.

The previous prime is 230958257. The next prime is 230958307. The reversal of 230958260 is 62859032.

It can be written as a sum of positive squares in 8 ways, for example, as 10316944 + 220641316 = 3212^2 + 14854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230958260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21707 + ... + 30546.

It is an arithmetic number, because the mean of its divisors is an integer number (11522007).

Almost surely, 2230958260 is an apocalyptic number.

230958260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230958260 is an abundant number, since it is smaller than the sum of its proper divisors (322098076).

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

230958260 is a wasteful number, since it uses less digits than its factorization.

230958260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52292 (or 52290 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 230958260 is about 15197.3109463484. The cubic root of 230958260 is about 613.5422853221.

The spelling of 230958260 in words is "two hundred thirty million, nine hundred fifty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 52253 104506 209012 261265 522530 679289 888301 1045060 1358578 1776602 2717156 3396445 3553204 4441505 6792890 8883010 11547913 13585780 17766020 23095826 46191652 57739565 115479130 230958260