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232203013 = 724738837
BaseRepresentation
bin11011101011100…
…10001100000101
3121011221010122121
431311302030011
5433420444023
635012525541
75516456500
oct1565621405
9534833577
10232203013
1110a088619
12659208b1
1339150c43
1422ba6137
15155bad5d
hexdd72305

232203013 has 6 divisors (see below), whose sum is σ = 270113766. Its totient is φ = 199031112.

The previous prime is 232203011. The next prime is 232203043. The reversal of 232203013 is 310302232.

232203013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 217326564 + 14876449 = 14742^2 + 3857^2 .

It is not a de Polignac number, because 232203013 - 21 = 232203011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232203011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2369370 + ... + 2369467.

It is an arithmetic number, because the mean of its divisors is an integer number (45018961).

Almost surely, 2232203013 is an apocalyptic number.

It is an amenable number.

232203013 is a deficient number, since it is larger than the sum of its proper divisors (37910753).

232203013 is an equidigital number, since it uses as much as digits as its factorization.

232203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738851 (or 4738844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 232203013 is about 15238.2089826856. The cubic root of 232203013 is about 614.6425428424.

Adding to 232203013 its reverse (310302232), we get a palindrome (542505245).

The spelling of 232203013 in words is "two hundred thirty-two million, two hundred three thousand, thirteen".

Divisors: 1 7 49 4738837 33171859 232203013