Base | Representation |
---|---|
bin | 11011011100000… |
… | …10010100000100 |
3 | 121001002221111111 |
4 | 31232002110010 |
5 | 432411000113 |
6 | 34501214404 |
7 | 5463300061 |
oct | 1556022404 |
9 | 531087444 |
10 | 230171908 |
11 | 108a2061a |
12 | 65101404 |
13 | 388bc5c5 |
14 | 227d7c68 |
15 | 1531913d |
hex | db82504 |
230171908 has 24 divisors (see below), whose sum is σ = 428874264. Its totient is φ = 107712000.
The previous prime is 230171899. The next prime is 230171911. The reversal of 230171908 is 809171032.
It can be written as a sum of positive squares in 4 ways, for example, as 103684 + 230068224 = 322^2 + 15168^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 230171908.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2958 + ... + 21658.
It is an arithmetic number, because the mean of its divisors is an integer number (17869761).
Almost surely, 2230171908 is an apocalyptic number.
It is an amenable number.
230171908 is a deficient number, since it is larger than the sum of its proper divisors (198702356).
230171908 is a wasteful number, since it uses less digits than its factorization.
230171908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18903 (or 18901 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 230171908 is about 15171.4174683844. The cubic root of 230171908 is about 612.8451769771.
The spelling of 230171908 in words is "two hundred thirty million, one hundred seventy-one thousand, nine hundred eight".
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