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230558885 = 546111777
BaseRepresentation
bin11011011111000…
…00110010100101
3121001211121022222
431233200302211
5433010341020
634513402125
75466501224
oct1557406245
9531747288
10230558885
11109165337
1265269345
13389c679b
1422898cbb
1515393b25
hexdbe0ca5

230558885 has 4 divisors (see below), whose sum is σ = 276670668. Its totient is φ = 184447104.

The previous prime is 230558869. The next prime is 230558891. The reversal of 230558885 is 588855032.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110481121 + 120077764 = 10511^2 + 10958^2 .

It is a cyclic number.

It is not a de Polignac number, because 230558885 - 24 = 230558869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23055884 + ... + 23055893.

It is an arithmetic number, because the mean of its divisors is an integer number (69167667).

Almost surely, 2230558885 is an apocalyptic number.

It is an amenable number.

230558885 is a deficient number, since it is larger than the sum of its proper divisors (46111783).

230558885 is an equidigital number, since it uses as much as digits as its factorization.

230558885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46111782.

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 230558885 is about 15184.1656010464. The cubic root of 230558885 is about 613.1884337589.

The spelling of 230558885 in words is "two hundred thirty million, five hundred fifty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 46111777 230558885