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230230399 = 732890057
BaseRepresentation
bin11011011100100…
…00100101111111
3121001012220201211
431232100211333
5432414333044
634502345251
75463632440
oct1556204577
9531186654
10230230399
11108a60563
126512b227
1338910109
14228112c7
151532b634
hexdb9097f

230230399 has 4 divisors (see below), whose sum is σ = 263120464. Its totient is φ = 197340336.

The previous prime is 230230379. The next prime is 230230423. The reversal of 230230399 is 993032032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230230399 - 227 = 96012671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230230399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230230339) 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 in 3 ways as a sum of consecutive naturals, for example, 16445022 + ... + 16445035.

It is an arithmetic number, because the mean of its divisors is an integer number (65780116).

Almost surely, 2230230399 is an apocalyptic number.

230230399 is a deficient number, since it is larger than the sum of its proper divisors (32890065).

230230399 is an equidigital number, since it uses as much as digits as its factorization.

230230399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32890064.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 230230399 is about 15173.3450168379. The cubic root of 230230399 is about 612.8970843995.

The spelling of 230230399 in words is "two hundred thirty million, two hundred thirty thousand, three hundred ninety-nine".

Divisors: 1 7 32890057 230230399