Search a number
-
+
232330013 = 1571479809
BaseRepresentation
bin11011101100100…
…01001100011101
3121012011120212022
431312101030131
5433434030023
635015345525
75520525656
oct1566211435
9535146768
10232330013
1110a164a83
12659822a5
13391969a6
1422bda52d
15155e37c8
hexdd9131d

232330013 has 4 divisors (see below), whose sum is σ = 233809980. Its totient is φ = 230850048.

The previous prime is 232330009. The next prime is 232330037. The reversal of 232330013 is 310033232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69588964 + 162741049 = 8342^2 + 12757^2 .

It is a cyclic number.

It is not a de Polignac number, because 232330013 - 22 = 232330009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232329973 and 232330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232335013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739748 + ... + 740061.

It is an arithmetic number, because the mean of its divisors is an integer number (58452495).

Almost surely, 2232330013 is an apocalyptic number.

It is an amenable number.

232330013 is a deficient number, since it is larger than the sum of its proper divisors (1479967).

232330013 is a wasteful number, since it uses less digits than its factorization.

232330013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479966.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 232330013 is about 15242.3755694445. The cubic root of 232330013 is about 614.7545789655.

Adding to 232330013 its reverse (310033232), we get a palindrome (542363245).

The spelling of 232330013 in words is "two hundred thirty-two million, three hundred thirty thousand, thirteen".

Divisors: 1 157 1479809 232330013