Search a number
-
+
230367860 = 22559197991
BaseRepresentation
bin11011011101100…
…10001001110100
3121001110220021222
431232302021310
5432433232420
634505325512
75465044262
oct1556621164
9531426258
10230367860
11109044868
1265196898
133895a858
1422849432
1515357225
hexdbb2274

230367860 has 48 divisors (see below), whose sum is σ = 494968320. Its totient is φ = 90034560.

The previous prime is 230367859. The next prime is 230367877. The reversal of 230367860 is 68763032.

It is a self number, because there is not a number n which added to its sum of digits gives 230367860.

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, 231965 + ... + 232955.

It is an arithmetic number, because the mean of its divisors is an integer number (10311840).

Almost surely, 2230367860 is an apocalyptic number.

230367860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230367860 is an abundant number, since it is smaller than the sum of its proper divisors (264600460).

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

230367860 is a wasteful number, since it uses less digits than its factorization.

230367860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 230367860 is about 15177.8740276759. The cubic root of 230367860 is about 613.0190385879.

The spelling of 230367860 in words is "two hundred thirty million, three hundred sixty-seven thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 59 118 197 236 295 394 590 788 985 991 1180 1970 1982 3940 3964 4955 9910 11623 19820 23246 46492 58115 58469 116230 116938 195227 232460 233876 292345 390454 584690 780908 976135 1169380 1952270 3904540 11518393 23036786 46073572 57591965 115183930 230367860