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230684563 = 340767709
BaseRepresentation
bin11011011111111…
…11011110010011
3121002001222201201
431233333132103
5433023401223
634520212031
75500533514
oct1557773623
9532058651
10230684563
111092407aa
126530a017
1338a3ba55
14228cca0b
15153baead
hexdbff793

230684563 has 4 divisors (see below), whose sum is σ = 230755680. Its totient is φ = 230613448.

The previous prime is 230684537. The next prime is 230684569. The reversal of 230684563 is 365486032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230684563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230684569) 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, 30448 + ... + 37261.

It is an arithmetic number, because the mean of its divisors is an integer number (57688920).

Almost surely, 2230684563 is an apocalyptic number.

230684563 is a deficient number, since it is larger than the sum of its proper divisors (71117).

230684563 is an equidigital number, since it uses as much as digits as its factorization.

230684563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71116.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 230684563 is about 15188.3034931489. The cubic root of 230684563 is about 613.2998301708.

The spelling of 230684563 in words is "two hundred thirty million, six hundred eighty-four thousand, five hundred sixty-three".

Divisors: 1 3407 67709 230684563