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230320713 = 3710967653
BaseRepresentation
bin11011011101001…
…10101001001001
3121001101111121210
431232212221021
5432430230323
634504323333
75464456650
oct1556465111
9531344553
10230320713
111090123a7
1265173549
133894225c
1422836197
1515348293
hexdba6a49

230320713 has 8 divisors (see below), whose sum is σ = 350964928. Its totient is φ = 131611824.

The previous prime is 230320693. The next prime is 230320721. The reversal of 230320713 is 317023032.

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

It is not a de Polignac number, because 230320713 - 25 = 230320681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10967653 = 230320713 / (2 + 3 + 0 + 3 + 2 + 0 + 7 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230320713.

It is not an unprimeable number, because it can be changed into a prime (230320763) 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, 5483806 + ... + 5483847.

It is an arithmetic number, because the mean of its divisors is an integer number (43870616).

Almost surely, 2230320713 is an apocalyptic number.

It is an amenable number.

230320713 is a deficient number, since it is larger than the sum of its proper divisors (120644215).

230320713 is a wasteful number, since it uses less digits than its factorization.

230320713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967663.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 230320713 is about 15176.3207991924. The cubic root of 230320713 is about 612.9772156523.

Adding to 230320713 its reverse (317023032), we get a palindrome (547343745).

The spelling of 230320713 in words is "two hundred thirty million, three hundred twenty thousand, seven hundred thirteen".

Divisors: 1 3 7 21 10967653 32902959 76773571 230320713