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230676679 = 419550541
BaseRepresentation
bin11011011111111…
…01100011000111
3121002001120220201
431233331203013
5433023123204
634520111331
75500501522
oct1557754307
9532046821
10230676679
11109235892
1265305547
1338a3829c
14228c9bb9
15153b89a4
hexdbfd8c7

230676679 has 4 divisors (see below), whose sum is σ = 231227640. Its totient is φ = 230125720.

The previous prime is 230676661. The next prime is 230676703. The reversal of 230676679 is 976676032.

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 230676679 - 25 = 230676647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230676659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274852 + ... + 275689.

It is an arithmetic number, because the mean of its divisors is an integer number (57806910).

Almost surely, 2230676679 is an apocalyptic number.

230676679 is a deficient number, since it is larger than the sum of its proper divisors (550961).

230676679 is an equidigital number, since it uses as much as digits as its factorization.

230676679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550960.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 230676679 is about 15188.0439491068. The cubic root of 230676679 is about 613.2928432693.

The spelling of 230676679 in words is "two hundred thirty million, six hundred seventy-six thousand, six hundred seventy-nine".

Divisors: 1 419 550541 230676679