Base | Representation |
---|---|
bin | 11011011011110… |
… | …00000110100101 |
3 | 121001000211010111 |
4 | 31231320012211 |
5 | 432403130320 |
6 | 34500253021 |
7 | 5463034123 |
oct | 1555700645 |
9 | 531024114 |
10 | 230130085 |
11 | 1089a2159 |
12 | 650a1171 |
13 | 388a6563 |
14 | 227c6913 |
15 | 1530ba5a |
hex | db781a5 |
230130085 has 8 divisors (see below), whose sum is σ = 276415776. Its totient is φ = 183930960.
The previous prime is 230130077. The next prime is 230130101. The reversal of 230130085 is 580031032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230130085 - 23 = 230130077 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 7 ways as a sum of consecutive naturals, for example, 15639 + ... + 26548.
It is an arithmetic number, because the mean of its divisors is an integer number (34551972).
Almost surely, 2230130085 is an apocalyptic number.
It is an amenable number.
230130085 is a deficient number, since it is larger than the sum of its proper divisors (46285691).
230130085 is a wasteful number, since it uses less digits than its factorization.
230130085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43283.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 230130085 is about 15170.0390572998. The cubic root of 230130085 is about 612.8080560608.
The spelling of 230130085 in words is "two hundred thirty million, one hundred thirty thousand, eighty-five".
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