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232431601 = 1069217429
BaseRepresentation
bin11011101101010…
…01111111110001
3121012100202012211
431312221333301
5434000302401
635021452121
75521431103
oct1566517761
9535322184
10232431601
1110a224336
1265a11041
1339200cbc
1422c25573
1515613951
hexdda9ff1

232431601 has 4 divisors (see below), whose sum is σ = 232650100. Its totient is φ = 232213104.

The previous prime is 232431581. The next prime is 232431611. The reversal of 232431601 is 106134232.

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 151880976 + 80550625 = 12324^2 + 8975^2 .

It is a cyclic number.

It is not a de Polignac number, because 232431601 - 25 = 232431569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232431611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107646 + ... + 109783.

It is an arithmetic number, because the mean of its divisors is an integer number (58162525).

Almost surely, 2232431601 is an apocalyptic number.

It is an amenable number.

232431601 is a deficient number, since it is larger than the sum of its proper divisors (218499).

232431601 is a wasteful number, since it uses less digits than its factorization.

232431601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218498.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 232431601 is about 15245.7076254269. The cubic root of 232431601 is about 614.8441678899.

Adding to 232431601 its reverse (106134232), we get a palindrome (338565833).

The spelling of 232431601 in words is "two hundred thirty-two million, four hundred thirty-one thousand, six hundred one".

Divisors: 1 1069 217429 232431601