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232457 is a prime number
BaseRepresentation
bin111000110000001001
3102210212112
4320300021
524414312
64552105
71655501
oct706011
9383775
10232457
11149715
12b2635
1381a64
1460a01
1548d22
hex38c09

232457 has 2 divisors, whose sum is σ = 232458. Its totient is φ = 232456.

The previous prime is 232451. The next prime is 232459. The reversal of 232457 is 754232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215296 + 17161 = 464^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 232457 - 210 = 231433 is a prime.

Together with 232459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116228 + 116229.

It is an arithmetic number, because the mean of its divisors is an integer number (116229).

2232457 is an apocalyptic number.

It is an amenable number.

232457 is a deficient number, since it is larger than the sum of its proper divisors (1).

232457 is an equidigital number, since it uses as much as digits as its factorization.

232457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 23.

The square root of 232457 is about 482.1379470649. The cubic root of 232457 is about 61.4866562805.

Adding to 232457 its reverse (754232), we get a palindrome (986689).

The spelling of 232457 in words is "two hundred thirty-two thousand, four hundred fifty-seven".