Base | Representation |
---|---|
bin | 111001100001… |
… | …1000110100100 |
3 | 2002202020201221 |
4 | 1303003012210 |
5 | 30210044033 |
6 | 2554230124 |
7 | 514230616 |
oct | 163030644 |
9 | 62666657 |
10 | 30159268 |
11 | 1602a117 |
12 | a125344 |
13 | 632c629 |
14 | 4010db6 |
15 | 29ab12d |
hex | 1cc31a4 |
30159268 has 12 divisors (see below), whose sum is σ = 52885980. Its totient is φ = 15048992.
The previous prime is 30159257. The next prime is 30159271. The reversal of 30159268 is 86295103.
It can be written as a sum of positive squares in 2 ways, for example, as 17040384 + 13118884 = 4128^2 + 3622^2 .
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 3 ways as a sum of consecutive naturals, for example, 5371 + ... + 9442.
It is an arithmetic number, because the mean of its divisors is an integer number (4407165).
Almost surely, 230159268 is an apocalyptic number.
It is an amenable number.
30159268 is a deficient number, since it is larger than the sum of its proper divisors (22726712).
30159268 is a wasteful number, since it uses less digits than its factorization.
30159268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15326 (or 15324 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 30159268 is about 5491.7454420248. The cubic root of 30159268 is about 311.2721500556.
The spelling of 30159268 in words is "thirty million, one hundred fifty-nine thousand, two hundred sixty-eight".
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