Base | Representation |
---|---|
bin | 111010101011… |
… | …1111101001000 |
3 | 2010220020002102 |
4 | 1311113331020 |
5 | 30334101333 |
6 | 3015252532 |
7 | 522350306 |
oct | 165277510 |
9 | 63806072 |
10 | 30768968 |
11 | 164061aa |
12 | a37a148 |
13 | 64b3cb9 |
14 | 412d276 |
15 | 2a7bae8 |
hex | 1d57f48 |
30768968 has 16 divisors (see below), whose sum is σ = 58076160. Its totient is φ = 15282000.
The previous prime is 30768937. The next prime is 30769001. The reversal of 30768968 is 86986703.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11528 + ... + 13943.
It is an arithmetic number, because the mean of its divisors is an integer number (3629760).
Almost surely, 230768968 is an apocalyptic number.
It is an amenable number.
30768968 is a deficient number, since it is larger than the sum of its proper divisors (27307192).
30768968 is a wasteful number, since it uses less digits than its factorization.
30768968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25628 (or 25624 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 30768968 is about 5546.9782765033. The cubic root of 30768968 is about 313.3557320138.
The spelling of 30768968 in words is "thirty million, seven hundred sixty-eight thousand, nine hundred sixty-eight".
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