Base | Representation |
---|---|
bin | 11011100001110… |
… | …11011011110001 |
3 | 121002112110121221 |
4 | 31300323123301 |
5 | 433104231121 |
6 | 34525345041 |
7 | 5502605530 |
oct | 1560733361 |
9 | 532473557 |
10 | 230930161 |
11 | 109399280 |
12 | 65408181 |
13 | 38ac6787 |
14 | 22954317 |
15 | 15418b41 |
hex | dc3b6f1 |
230930161 has 32 divisors (see below), whose sum is σ = 313574400. Its totient is φ = 164566080.
The previous prime is 230930149. The next prime is 230930179. The reversal of 230930161 is 161039032.
It is not a de Polignac number, because 230930161 - 27 = 230930033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230930111) 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 31 ways as a sum of consecutive naturals, for example, 39706 + ... + 45148.
It is an arithmetic number, because the mean of its divisors is an integer number (9799200).
Almost surely, 2230930161 is an apocalyptic number.
It is an amenable number.
230930161 is a deficient number, since it is larger than the sum of its proper divisors (82644239).
230930161 is a wasteful number, since it uses less digits than its factorization.
230930161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5509.
The product of its (nonzero) digits is 972, while the sum is 25.
The square root of 230930161 is about 15196.3864454679. The cubic root of 230930161 is about 613.5174025808.
Adding to 230930161 its reverse (161039032), we get a palindrome (391969193).
The spelling of 230930161 in words is "two hundred thirty million, nine hundred thirty thousand, one hundred sixty-one".
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