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230670137 is a prime number
BaseRepresentation
bin11011011111110…
…11111100111001
3121002001020221102
431233323330321
5433022421022
634520021145
75500443455
oct1557737471
9532036842
10230670137
11109230985
12653017b5
1338a35309
14228c7665
15153b6a92
hexdbfbf39

230670137 has 2 divisors, whose sum is σ = 230670138. Its totient is φ = 230670136.

The previous prime is 230670119. The next prime is 230670179. The reversal of 230670137 is 731076032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230553856 + 116281 = 15184^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 230670137 - 222 = 226475833 is a prime.

It is not a weakly prime, because it can be changed into another prime (230670107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115335068 + 115335069.

It is an arithmetic number, because the mean of its divisors is an integer number (115335069).

Almost surely, 2230670137 is an apocalyptic number.

It is an amenable number.

230670137 is a deficient number, since it is larger than the sum of its proper divisors (1).

230670137 is an equidigital number, since it uses as much as digits as its factorization.

230670137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 230670137 is about 15187.8285808077. The cubic root of 230670137 is about 613.2870455445.

The spelling of 230670137 in words is "two hundred thirty million, six hundred seventy thousand, one hundred thirty-seven".