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230613379 = 317727487
BaseRepresentation
bin11011011111011…
…10000110000011
3121001221101002021
431233232012003
5433014112004
634514502311
75500116133
oct1557560603
9531841067
10230613379
111091a2277
1265294997
1338a15529
14228b0ac3
15153a4d54
hexdbee183

230613379 has 4 divisors (see below), whose sum is σ = 231341184. Its totient is φ = 229885576.

The previous prime is 230613377. The next prime is 230613389. The reversal of 230613379 is 973316032.

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 230613379 - 21 = 230613377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230613373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363427 + ... + 364060.

It is an arithmetic number, because the mean of its divisors is an integer number (57835296).

Almost surely, 2230613379 is an apocalyptic number.

230613379 is a deficient number, since it is larger than the sum of its proper divisors (727805).

230613379 is an equidigital number, since it uses as much as digits as its factorization.

230613379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727804.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 230613379 is about 15185.9599301460. The cubic root of 230613379 is about 613.2367402298.

The spelling of 230613379 in words is "two hundred thirty million, six hundred thirteen thousand, three hundred seventy-nine".

Divisors: 1 317 727487 230613379