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230500057 is a prime number
BaseRepresentation
bin11011011110100…
…10011011011001
3121001201121122011
431233102123121
5433002000212
634512225521
75466134554
oct1557223331
9531647564
10230500057
11109125117
126523b2a1
13389a5a88
142288169b
15153814a7
hexdbd26d9

230500057 has 2 divisors, whose sum is σ = 230500058. Its totient is φ = 230500056.

The previous prime is 230500037. The next prime is 230500087. The reversal of 230500057 is 750005032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214944921 + 15555136 = 14661^2 + 3944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230500057 is a prime.

It is not a weakly prime, because it can be changed into another prime (230500007) 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, 115250028 + 115250029.

It is an arithmetic number, because the mean of its divisors is an integer number (115250029).

Almost surely, 2230500057 is an apocalyptic number.

It is an amenable number.

230500057 is a deficient number, since it is larger than the sum of its proper divisors (1).

230500057 is an equidigital number, since it uses as much as digits as its factorization.

230500057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 230500057 is about 15182.2283278839. The cubic root of 230500057 is about 613.1362768480.

Adding to 230500057 its reverse (750005032), we get a palindrome (980505089).

The spelling of 230500057 in words is "two hundred thirty million, five hundred thousand, fifty-seven".