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230455230 = 23517451873
BaseRepresentation
bin11011011110001…
…11011110111110
3121001122100010220
431233013132332
5432444031410
634511242210
75465560065
oct1557073676
9531570126
10230455230
111090a4475
1265219366
133898b555
142286d1dc
1515373070
hexdbc77be

230455230 has 32 divisors (see below), whose sum is σ = 585628704. Its totient is φ = 57839616.

The previous prime is 230455217. The next prime is 230455249. The reversal of 230455230 is 32554032.

It is a super-2 number, since 2×2304552302 = 106219226068705800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230455230.

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, 225427 + ... + 226446.

It is an arithmetic number, because the mean of its divisors is an integer number (18300897).

Almost surely, 2230455230 is an apocalyptic number.

230455230 is an abundant number, since it is smaller than the sum of its proper divisors (355173474).

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

230455230 is a wasteful number, since it uses less digits than its factorization.

230455230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451900.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 230455230 is about 15180.7519576601. The cubic root of 230455230 is about 613.0965272674.

The spelling of 230455230 in words is "two hundred thirty million, four hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 451873 903746 1355619 2259365 2711238 4518730 6778095 7681841 13556190 15363682 23045523 38409205 46091046 76818410 115227615 230455230