Base | Representation |
---|---|
bin | 111001100010… |
… | …0001010101001 |
3 | 2002202110201022 |
4 | 1303010022221 |
5 | 30210214000 |
6 | 2554302225 |
7 | 514246412 |
oct | 163041251 |
9 | 62673638 |
10 | 30163625 |
11 | 16032418 |
12 | a127975 |
13 | 63315cb |
14 | 4012809 |
15 | 29ac585 |
hex | 1cc42a9 |
30163625 has 32 divisors (see below), whose sum is σ = 39929760. Its totient is φ = 22713600.
The previous prime is 30163607. The next prime is 30163681. The reversal of 30163625 is 52636103.
It can be written as a sum of positive squares in 16 ways, for example, as 20757136 + 9406489 = 4556^2 + 3067^2 .
It is not a de Polignac number, because 30163625 - 26 = 30163561 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30163594 and 30163603.
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 31 ways as a sum of consecutive naturals, for example, 192047 + ... + 192203.
It is an arithmetic number, because the mean of its divisors is an integer number (1247805).
Almost surely, 230163625 is an apocalyptic number.
It is an amenable number.
30163625 is a deficient number, since it is larger than the sum of its proper divisors (9766135).
30163625 is a wasteful number, since it uses less digits than its factorization.
30163625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 30163625 is about 5492.1421139661. The cubic root of 30163625 is about 311.2871387865.
Adding to 30163625 its reverse (52636103), we get a palindrome (82799728).
The spelling of 30163625 in words is "thirty million, one hundred sixty-three thousand, six hundred twenty-five".
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