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230565737 is a prime number
BaseRepresentation
bin11011011111000…
…10011101101001
3121001211221201202
431233202131221
5433011100422
634513453545
75466530213
oct1557423551
9531757652
10230565737
1110916a4a6
12652712b5
13389c993c
142289b5b3
1515395b92
hexdbe2769

230565737 has 2 divisors, whose sum is σ = 230565738. Its totient is φ = 230565736.

The previous prime is 230565719. The next prime is 230565743. The reversal of 230565737 is 737565032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230553856 + 11881 = 15184^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 230565737 - 28 = 230565481 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230565737.

It is not a weakly prime, because it can be changed into another prime (230565707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115282868 + 115282869.

It is an arithmetic number, because the mean of its divisors is an integer number (115282869).

Almost surely, 2230565737 is an apocalyptic number.

It is an amenable number.

230565737 is a deficient number, since it is larger than the sum of its proper divisors (1).

230565737 is an equidigital number, since it uses as much as digits as its factorization.

230565737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 38.

The square root of 230565737 is about 15184.3912291537. The cubic root of 230565737 is about 613.1945081659.

The spelling of 230565737 in words is "two hundred thirty million, five hundred sixty-five thousand, seven hundred thirty-seven".