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230464361 = 809328477
BaseRepresentation
bin11011011110010…
…01101101101001
3121001122210200002
431233021231221
5432444324421
634511352345
75465625521
oct1557115551
9531583602
10230464361
11109100316
12652226b5
133899275a
1422872681
1515375b0b
hexdbc9b69

230464361 has 4 divisors (see below), whose sum is σ = 230500932. Its totient is φ = 230427792.

The previous prime is 230464327. The next prime is 230464369. The reversal of 230464361 is 163464032.

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 101505625 + 128958736 = 10075^2 + 11356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230464361 is a prime.

It is a super-2 number, since 2×2304643612 = 106227643382276642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230464369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146 + ... + 22331.

It is an arithmetic number, because the mean of its divisors is an integer number (57625233).

Almost surely, 2230464361 is an apocalyptic number.

It is an amenable number.

230464361 is a deficient number, since it is larger than the sum of its proper divisors (36571).

230464361 is an equidigital number, since it uses as much as digits as its factorization.

230464361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 230464361 is about 15181.0526973593. The cubic root of 230464361 is about 613.1046244445.

The spelling of 230464361 in words is "two hundred thirty million, four hundred sixty-four thousand, three hundred sixty-one".

Divisors: 1 8093 28477 230464361