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230746379 = 713738713
BaseRepresentation
bin11011100000011…
…10100100001011
3121002012010112012
431300032210023
5433032341004
634521410135
75501211653
oct1560164413
9532163465
10230746379
11109283196
126533994b
1338a60c26
1422907363
15153ce46e
hexdc0e90b

230746379 has 8 divisors (see below), whose sum is σ = 234650592. Its totient is φ = 226860480.

The previous prime is 230746367. The next prime is 230746387. The reversal of 230746379 is 973647032.

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 230746379 - 24 = 230746363 is a prime.

It is a super-2 number, since 2×2307463792 = 106487782843223282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230746349) 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, 22127 + ... + 30839.

It is an arithmetic number, because the mean of its divisors is an integer number (29331324).

Almost surely, 2230746379 is an apocalyptic number.

230746379 is a deficient number, since it is larger than the sum of its proper divisors (3904213).

230746379 is an equidigital number, since it uses as much as digits as its factorization.

230746379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 230746379 is about 15190.3383438289. The cubic root of 230746379 is about 613.3546067829.

The spelling of 230746379 in words is "two hundred thirty million, seven hundred forty-six thousand, three hundred seventy-nine".

Divisors: 1 71 373 8713 26483 618623 3249949 230746379