Base | Representation |
---|---|
bin | 111001100010… |
… | …0000100101011 |
3 | 2002202110012011 |
4 | 1303010010223 |
5 | 30210210433 |
6 | 2554300351 |
7 | 514245325 |
oct | 163040453 |
9 | 62673164 |
10 | 30163243 |
11 | 16032100 |
12 | a1276b7 |
13 | 6331396 |
14 | 4012615 |
15 | 29ac3cd |
hex | 1cc412b |
30163243 has 12 divisors (see below), whose sum is σ = 33473440. Its totient is φ = 27157680.
The previous prime is 30163229. The next prime is 30163247. The reversal of 30163243 is 34236103.
It is a de Polignac number, because none of the positive numbers 2k-30163243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30163247) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 12046 + ... + 14332.
Almost surely, 230163243 is an apocalyptic number.
30163243 is a deficient number, since it is larger than the sum of its proper divisors (3310197).
30163243 is a wasteful number, since it uses less digits than its factorization.
30163243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2418 (or 2407 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 30163243 is about 5492.1073368972. The cubic root of 30163243 is about 311.2858247072.
Adding to 30163243 its reverse (34236103), we get a palindrome (64399346).
The spelling of 30163243 in words is "thirty million, one hundred sixty-three thousand, two hundred forty-three".
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