Base | Representation |
---|---|
bin | 11011011101000… |
… | …11000010010010 |
3 | 121001100202100120 |
4 | 31232203002102 |
5 | 432424242223 |
6 | 34504131110 |
7 | 5464365612 |
oct | 1556430222 |
9 | 531322316 |
10 | 230305938 |
11 | 109002295 |
12 | 65166a96 |
13 | 38938605 |
14 | 22830a42 |
15 | 15343be3 |
hex | dba3092 |
230305938 has 16 divisors (see below), whose sum is σ = 471846816. Its totient is φ = 74896160.
The previous prime is 230305931. The next prime is 230305961. The reversal of 230305938 is 839503032.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 230305899 and 230305908.
It is not an unprimeable number, because it can be changed into a prime (230305931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467856 + ... + 468347.
It is an arithmetic number, because the mean of its divisors is an integer number (29490426).
Almost surely, 2230305938 is an apocalyptic number.
230305938 is an abundant number, since it is smaller than the sum of its proper divisors (241540878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230305938 is a wasteful number, since it uses less digits than its factorization.
230305938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 936249.
The product of its (nonzero) digits is 19440, while the sum is 33.
The square root of 230305938 is about 15175.8340133253. The cubic root of 230305938 is about 612.9641079413.
The spelling of 230305938 in words is "two hundred thirty million, three hundred five thousand, nine hundred thirty-eight".
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