Base | Representation |
---|---|
bin | 111011000100… |
… | …0101100100100 |
3 | 2011021100221122 |
4 | 1312020230210 |
5 | 30411443422 |
6 | 3023433112 |
7 | 524141333 |
oct | 166105444 |
9 | 64240848 |
10 | 30968612 |
11 | 165321a4 |
12 | a455798 |
13 | 6553b2c |
14 | 4181d1a |
15 | 2abad42 |
hex | 1d88b24 |
30968612 has 12 divisors (see below), whose sum is σ = 55517196. Its totient is φ = 15106560.
The previous prime is 30968599. The next prime is 30968617. The reversal of 30968612 is 21686903.
It can be written as a sum of positive squares in 2 ways, for example, as 15555136 + 15413476 = 3944^2 + 3926^2 .
It is not an unprimeable number, because it can be changed into a prime (30968617) 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 3 ways as a sum of consecutive naturals, for example, 94253 + ... + 94580.
It is an arithmetic number, because the mean of its divisors is an integer number (4626433).
Almost surely, 230968612 is an apocalyptic number.
It is an amenable number.
30968612 is a deficient number, since it is larger than the sum of its proper divisors (24548584).
30968612 is a wasteful number, since it uses less digits than its factorization.
30968612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188878 (or 188876 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 30968612 is about 5564.9449233573. The cubic root of 30968612 is about 314.0320061496.
It can be divided in two parts, 309 and 68612, that added together give a cube (68921 = 413).
The spelling of 30968612 in words is "thirty million, nine hundred sixty-eight thousand, six hundred twelve".
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