Base | Representation |
---|---|
bin | 11011011011000… |
… | …00001010001111 |
3 | 121000211211121021 |
4 | 31231200022033 |
5 | 432342011030 |
6 | 34454215011 |
7 | 5462145163 |
oct | 1555401217 |
9 | 530754537 |
10 | 230032015 |
11 | 108935504 |
12 | 65054467 |
13 | 38870a25 |
14 | 2279cca3 |
15 | 152dc97a |
hex | db6028f |
230032015 has 16 divisors (see below), whose sum is σ = 292928832. Its totient is φ = 172813824.
The previous prime is 230031961. The next prime is 230032021. The reversal of 230032015 is 510230032.
230032015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 230032015 - 27 = 230031887 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230032015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38617 + ... + 44173.
It is an arithmetic number, because the mean of its divisors is an integer number (18308052).
Almost surely, 2230032015 is an apocalyptic number.
230032015 is a deficient number, since it is larger than the sum of its proper divisors (62896817).
230032015 is a wasteful number, since it uses less digits than its factorization.
230032015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6066.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 230032015 is about 15166.8063546681. The cubic root of 230032015 is about 612.7209942511.
Adding to 230032015 its reverse (510230032), we get a palindrome (740262047).
The spelling of 230032015 in words is "two hundred thirty million, thirty-two thousand, fifteen".
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