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230548013 is a prime number
BaseRepresentation
bin11011011110111…
…10001000101101
3121001211001102022
431233132020231
5433010014023
634513235525
75466424433
oct1557361055
9531731368
10230548013
11109158153
1265262ba5
13389c1857
1422894d53
15153907c8
hexdbde22d

230548013 has 2 divisors, whose sum is σ = 230548014. Its totient is φ = 230548012.

The previous prime is 230548007. The next prime is 230548037. The reversal of 230548013 is 310845032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125731369 + 104816644 = 11213^2 + 10238^2 .

It is a cyclic number.

It is not a de Polignac number, because 230548013 - 24 = 230547997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230545013) 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, 115274006 + 115274007.

It is an arithmetic number, because the mean of its divisors is an integer number (115274007).

Almost surely, 2230548013 is an apocalyptic number.

It is an amenable number.

230548013 is a deficient number, since it is larger than the sum of its proper divisors (1).

230548013 is an equidigital number, since it uses as much as digits as its factorization.

230548013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 230548013 is about 15183.8075923004. The cubic root of 230548013 is about 613.1787953109.

The spelling of 230548013 in words is "two hundred thirty million, five hundred forty-eight thousand, thirteen".