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232000013 = 7191744361
BaseRepresentation
bin11011101010000…
…00101000001101
3121011112211012002
431311000220031
5433343000023
635004322045
75514652610
oct1565005015
9534484162
10232000013
11109a5a053
1265843325
13390ac71b
1422b52177
151557ab28
hexdd40a0d

232000013 has 8 divisors (see below), whose sum is σ = 279097920. Its totient is φ = 188390880.

The previous prime is 232000009. The next prime is 232000031. The reversal of 232000013 is 310000232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232000013 - 22 = 232000009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231999958 and 232000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232000033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872048 + ... + 872313.

It is an arithmetic number, because the mean of its divisors is an integer number (34887240).

Almost surely, 2232000013 is an apocalyptic number.

It is an amenable number.

232000013 is a deficient number, since it is larger than the sum of its proper divisors (47097907).

232000013 is a wasteful number, since it uses less digits than its factorization.

232000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744387.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 232000013 is about 15231.5466384737. The cubic root of 232000013 is about 614.4633766142.

Adding to 232000013 its reverse (310000232), we get a palindrome (542000245).

The spelling of 232000013 in words is "two hundred thirty-two million, thirteen", and thus it is an aban number.

Divisors: 1 7 19 133 1744361 12210527 33142859 232000013