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230744957 is a prime number
BaseRepresentation
bin11011100000011…
…10001101111101
3121002012001120112
431300032031331
5433032314312
634521355405
75501204552
oct1560161575
9532161515
10230744957
11109282113
1265338b65
1338a603a1
1422906a29
15153cdd22
hexdc0e37d

230744957 has 2 divisors, whose sum is σ = 230744958. Its totient is φ = 230744956.

The previous prime is 230744933. The next prime is 230744963. The reversal of 230744957 is 759447032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126990361 + 103754596 = 11269^2 + 10186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230744957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230744357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115372478 + 115372479.

It is an arithmetic number, because the mean of its divisors is an integer number (115372479).

Almost surely, 2230744957 is an apocalyptic number.

It is an amenable number.

230744957 is a deficient number, since it is larger than the sum of its proper divisors (1).

230744957 is an equidigital number, since it uses as much as digits as its factorization.

230744957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 230744957 is about 15190.2915376895. The cubic root of 230744957 is about 613.3533468251.

The spelling of 230744957 in words is "two hundred thirty million, seven hundred forty-four thousand, nine hundred fifty-seven".