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230308052 = 221331142871
BaseRepresentation
bin11011011101000…
…11100011010100
3121001100212020212
431232203203110
5432424324202
634504144552
75464405022
oct1556434324
9531325225
10230308052
11109003937
1265168158
1338939570
1422831712
1515344652
hexdba38d4

230308052 has 24 divisors (see below), whose sum is σ = 448046592. Its totient is φ = 102866400.

The previous prime is 230308033. The next prime is 230308081. The reversal of 230308052 is 250803032.

230308052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 69824 + ... + 73047.

It is an arithmetic number, because the mean of its divisors is an integer number (18668608).

Almost surely, 2230308052 is an apocalyptic number.

It is an amenable number.

230308052 is a deficient number, since it is larger than the sum of its proper divisors (217738540).

230308052 is a wasteful number, since it uses less digits than its factorization.

230308052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142919 (or 142917 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 230308052 is about 15175.9036633737. The cubic root of 230308052 is about 612.9659834207.

The spelling of 230308052 in words is "two hundred thirty million, three hundred eight thousand, fifty-two".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 142871 285742 571484 1857323 3714646 4429001 7429292 8858002 17716004 57577013 115154026 230308052