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232240313 = 317491623
BaseRepresentation
bin11011101011110…
…11010010111001
3121012000000211002
431311323102321
5433423142223
635013414345
75520003314
oct1565732271
9535000732
10232240313
1110a103648
126593a3b5
1339164c06
1422bb597b
15155c6e28
hexdd7b4b9

232240313 has 4 divisors (see below), whose sum is σ = 239731968. Its totient is φ = 224748660.

The previous prime is 232240303. The next prime is 232240409. The reversal of 232240313 is 313042232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232240313 - 218 = 231978169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232240303) 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, 3745781 + ... + 3745842.

It is an arithmetic number, because the mean of its divisors is an integer number (59932992).

Almost surely, 2232240313 is an apocalyptic number.

It is an amenable number.

232240313 is a deficient number, since it is larger than the sum of its proper divisors (7491655).

232240313 is an equidigital number, since it uses as much as digits as its factorization.

232240313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491654.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 232240313 is about 15239.4328306535. The cubic root of 232240313 is about 614.6754521761.

Adding to 232240313 its reverse (313042232), we get a palindrome (545282545).

The spelling of 232240313 in words is "two hundred thirty-two million, two hundred forty thousand, three hundred thirteen".

Divisors: 1 31 7491623 232240313