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230456013 = 3244731393
BaseRepresentation
bin11011011110001…
…11101011001101
3121001122101012220
431233013223031
5432444043023
634511245553
75465562264
oct1557075315
9531571186
10230456013
111090a5017
12652198b9
133898ba08
142286d5db
15153733e3
hexdbc7acd

230456013 has 8 divisors (see below), whose sum is σ = 307410048. Its totient is φ = 153569664.

The previous prime is 230456003. The next prime is 230456027. The reversal of 230456013 is 310654032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230456013 - 210 = 230454989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230456003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8356 + ... + 23037.

It is an arithmetic number, because the mean of its divisors is an integer number (38426256).

Almost surely, 2230456013 is an apocalyptic number.

It is an amenable number.

230456013 is a deficient number, since it is larger than the sum of its proper divisors (76954035).

230456013 is a wasteful number, since it uses less digits than its factorization.

230456013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 230456013 is about 15180.7777468745. Note that the first 4 decimals coincide. The cubic root of 230456013 is about 613.0972216235.

The spelling of 230456013 in words is "two hundred thirty million, four hundred fifty-six thousand, thirteen".

Divisors: 1 3 2447 7341 31393 94179 76818671 230456013