Base | Representation |
---|---|
bin | 111010101000… |
… | …1000100100000 |
3 | 2010211210101222 |
4 | 1311101010200 |
5 | 30332201033 |
6 | 3014514212 |
7 | 522202142 |
oct | 165210440 |
9 | 63753358 |
10 | 30740768 |
11 | 16396aa3 |
12 | a365968 |
13 | 64a4206 |
14 | 4122c92 |
15 | 2a73598 |
hex | 1d51120 |
30740768 has 12 divisors (see below), whose sum is σ = 60520950. Its totient is φ = 15370368.
The previous prime is 30740761. The next prime is 30740771. The reversal of 30740768 is 86704703.
It can be written as a sum of positive squares in only one way, i.e., 28858384 + 1882384 = 5372^2 + 1372^2 .
It is not an unprimeable number, because it can be changed into a prime (30740761) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480293 + ... + 480356.
Almost surely, 230740768 is an apocalyptic number.
It is an amenable number.
30740768 is a deficient number, since it is larger than the sum of its proper divisors (29780182).
30740768 is an equidigital number, since it uses as much as digits as its factorization.
30740768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 960659 (or 960651 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 35.
The square root of 30740768 is about 5544.4357693096. The cubic root of 30740768 is about 313.2599717592.
The spelling of 30740768 in words is "thirty million, seven hundred forty thousand, seven hundred sixty-eight".
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