Base | Representation |
---|---|
bin | 111001100001… |
… | …0111101011000 |
3 | 2002202012221011 |
4 | 1303002331120 |
5 | 30210034210 |
6 | 2554223304 |
7 | 514226116 |
oct | 163027530 |
9 | 62665834 |
10 | 30158680 |
11 | 16029732 |
12 | a124b34 |
13 | 632c296 |
14 | 4010ab6 |
15 | 29aad8a |
hex | 1cc2f58 |
30158680 has 32 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 11353600.
The previous prime is 30158677. The next prime is 30158717. The reversal of 30158680 is 8685103.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21496 + ... + 22855.
It is an arithmetic number, because the mean of its divisors is an integer number (2245320).
Almost surely, 230158680 is an apocalyptic number.
It is an amenable number.
30158680 is an abundant number, since it is smaller than the sum of its proper divisors (41691560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30158680 is a wasteful number, since it uses less digits than its factorization.
30158680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44379 (or 44375 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 30158680 is about 5491.6919068717. The cubic root of 30158680 is about 311.2701271372.
The spelling of 30158680 in words is "thirty million, one hundred fifty-eight thousand, six hundred eighty".
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