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230413513 = 11191102457
BaseRepresentation
bin11011011101111…
…01010011001001
3121001120012220211
431232331103021
5432441213023
634510321121
75465324341
oct1556752311
9531505824
10230413513
111090760a0
12651b91a1
1338975575
142285bd21
1515365a0d
hexdbbd4c9

230413513 has 8 divisors (see below), whose sum is σ = 264589920. Its totient is φ = 198442080.

The previous prime is 230413507. The next prime is 230413567. The reversal of 230413513 is 315314032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230413513 - 217 = 230282441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230413913) 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 7 ways as a sum of consecutive naturals, for example, 551020 + ... + 551437.

It is an arithmetic number, because the mean of its divisors is an integer number (33073740).

Almost surely, 2230413513 is an apocalyptic number.

It is an amenable number.

230413513 is a deficient number, since it is larger than the sum of its proper divisors (34176407).

230413513 is a wasteful number, since it uses less digits than its factorization.

230413513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102487.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 230413513 is about 15179.3778858028. The cubic root of 230413513 is about 613.0595307955.

Adding to 230413513 its reverse (315314032), we get a palindrome (545727545).

The spelling of 230413513 in words is "two hundred thirty million, four hundred thirteen thousand, five hundred thirteen".

Divisors: 1 11 19 209 1102457 12127027 20946683 230413513