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230808005 = 546161601
BaseRepresentation
bin11011100000111…
…01100111000101
3121002022021001122
431300131213011
5433041324010
634523003325
75501556431
oct1560354705
9532267048
10230808005
1110931551a
1265369545
1338a82cac
14229219c1
15153e2855
hexdc1d9c5

230808005 has 4 divisors (see below), whose sum is σ = 276969612. Its totient is φ = 184646400.

The previous prime is 230807947. The next prime is 230808041. The reversal of 230808005 is 500808032.

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 118744609 + 112063396 = 10897^2 + 10586^2 .

It is not a de Polignac number, because 230808005 - 216 = 230742469 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, 23080796 + ... + 23080805.

It is an arithmetic number, because the mean of its divisors is an integer number (69242403).

Almost surely, 2230808005 is an apocalyptic number.

It is an amenable number.

230808005 is a deficient number, since it is larger than the sum of its proper divisors (46161607).

230808005 is an equidigital number, since it uses as much as digits as its factorization.

230808005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46161606.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 230808005 is about 15192.3666688242. The cubic root of 230808005 is about 613.4092052944.

The spelling of 230808005 in words is "two hundred thirty million, eight hundred eight thousand, five".

Divisors: 1 5 46161601 230808005