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232012105 = 51313072731
BaseRepresentation
bin11011101010000…
…11100101001001
3121011120102202221
431311003211021
5433343341410
635004454041
75515033063
oct1565034511
9534512687
10232012105
11109a68146
126584a321
13390b5090
1422b56733
151557e4da
hexdd43949

232012105 has 16 divisors (see below), whose sum is σ = 300170304. Its totient is φ = 171138240.

The previous prime is 232012087. The next prime is 232012127. The reversal of 232012105 is 501210232.

232012105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232012105 - 211 = 232010057 is a prime.

It is a Duffinian 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, 83590 + ... + 86320.

It is an arithmetic number, because the mean of its divisors is an integer number (18760644).

Almost surely, 2232012105 is an apocalyptic number.

It is an amenable number.

232012105 is a deficient number, since it is larger than the sum of its proper divisors (68158199).

232012105 is a wasteful number, since it uses less digits than its factorization.

232012105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 232012105 is about 15231.9435726371. The cubic root of 232012105 is about 614.4740518465.

Adding to 232012105 its reverse (501210232), we get a palindrome (733222337).

The spelling of 232012105 in words is "two hundred thirty-two million, twelve thousand, one hundred five".

Divisors: 1 5 13 65 1307 2731 6535 13655 16991 35503 84955 177515 3569417 17847085 46402421 232012105