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230506507 = 7112993591
BaseRepresentation
bin11011011110101…
…00000000001011
3121001201221111001
431233110000023
5433002202012
634512315431
75466162430
oct1557240013
9531657431
10230506507
11109129a50
1265242b77
13389a89aa
1422883b87
1515383357
hexdbd400b

230506507 has 8 divisors (see below), whose sum is σ = 287384832. Its totient is φ = 179615400.

The previous prime is 230506489. The next prime is 230506511. The reversal of 230506507 is 705605032.

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

It is a cyclic number.

It is not a de Polignac number, because 230506507 - 27 = 230506379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230506517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496719 + ... + 1496872.

It is an arithmetic number, because the mean of its divisors is an integer number (35923104).

Almost surely, 2230506507 is an apocalyptic number.

230506507 is a deficient number, since it is larger than the sum of its proper divisors (56878325).

230506507 is a wasteful number, since it uses less digits than its factorization.

230506507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993609.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 230506507 is about 15182.4407458090. The cubic root of 230506507 is about 613.1419958518.

The spelling of 230506507 in words is "two hundred thirty million, five hundred six thousand, five hundred seven".

Divisors: 1 7 11 77 2993591 20955137 32929501 230506507