Base | Representation |
---|---|
bin | 111001101010… |
… | …0011010010001 |
3 | 2002212211222121 |
4 | 1303110122101 |
5 | 30214331121 |
6 | 2555534241 |
7 | 514644403 |
oct | 163243221 |
9 | 62784877 |
10 | 30230161 |
11 | 16078405 |
12 | a15a381 |
13 | 6355990 |
14 | 402cb73 |
15 | 29c2141 |
hex | 1cd4691 |
30230161 has 16 divisors (see below), whose sum is σ = 34151040. Its totient is φ = 26570880.
The previous prime is 30230153. The next prime is 30230183. The reversal of 30230161 is 16103203.
It is a cyclic number.
It is not a de Polignac number, because 30230161 - 23 = 30230153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30230111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22260 + ... + 23578.
It is an arithmetic number, because the mean of its divisors is an integer number (2134440).
Almost surely, 230230161 is an apocalyptic number.
It is an amenable number.
30230161 is a deficient number, since it is larger than the sum of its proper divisors (3920879).
30230161 is a wasteful number, since it uses less digits than its factorization.
30230161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1416.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 30230161 is about 5498.1961587415. The cubic root of 30230161 is about 311.5158534581.
Adding to 30230161 its reverse (16103203), we get a palindrome (46333364).
The spelling of 30230161 in words is "thirty million, two hundred thirty thousand, one hundred sixty-one".
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