Search a number
-
+
232302321 = 3225811369
BaseRepresentation
bin11011101100010…
…10011011110001
3121012010011212200
431312022123301
5433432133241
635015013413
75520352146
oct1566123361
9535104780
10232302321
1110a146199
126596a269
13391871c4
1422bd03cd
15155da4b6
hexdd8a6f1

232302321 has 6 divisors (see below), whose sum is σ = 335547810. Its totient is φ = 154868208.

The previous prime is 232302319. The next prime is 232302337. The reversal of 232302321 is 123203232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 223921296 + 8381025 = 14964^2 + 2895^2 .

It is not a de Polignac number, because 232302321 - 21 = 232302319 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232302294 and 232302303.

It is not an unprimeable number, because it can be changed into a prime (232302311) 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, 12905676 + ... + 12905693.

It is an arithmetic number, because the mean of its divisors is an integer number (55924635).

Almost surely, 2232302321 is an apocalyptic number.

It is an amenable number.

232302321 is a deficient number, since it is larger than the sum of its proper divisors (103245489).

232302321 is a wasteful number, since it uses less digits than its factorization.

232302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25811375 (or 25811372 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232302321 is about 15241.4671537880. The cubic root of 232302321 is about 614.7301532790.

Adding to 232302321 its reverse (123203232), we get a palindrome (355505553).

The spelling of 232302321 in words is "two hundred thirty-two million, three hundred two thousand, three hundred twenty-one".

Divisors: 1 3 9 25811369 77434107 232302321