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230013793 = 377978691
BaseRepresentation
bin11011011010110…
…11101101100001
3121000210220121101
431231123231201
5432340420133
634453554401
75462041102
oct1555335541
9530726541
10230013793
11108922849
1265045a01
1338865649
14227963a9
15152d737d
hexdb5bb61

230013793 has 8 divisors (see below), whose sum is σ = 239223680. Its totient is φ = 220961520.

The previous prime is 230013781. The next prime is 230013809. The reversal of 230013793 is 397310032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230013793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230013713) 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 7 ways as a sum of consecutive naturals, for example, 36423 + ... + 42268.

It is an arithmetic number, because the mean of its divisors is an integer number (29902960).

Almost surely, 2230013793 is an apocalyptic number.

It is an amenable number.

230013793 is a deficient number, since it is larger than the sum of its proper divisors (9209887).

230013793 is an equidigital number, since it uses as much as digits as its factorization.

230013793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78807.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 230013793 is about 15166.2056230291. The cubic root of 230013793 is about 612.7048149137.

The spelling of 230013793 in words is "two hundred thirty million, thirteen thousand, seven hundred ninety-three".

Divisors: 1 37 79 2923 78691 2911567 6216589 230013793