Base | Representation |
---|---|
bin | 111001010001… |
… | …1010001001100 |
3 | 2002111121212121 |
4 | 1302203101030 |
5 | 30141411001 |
6 | 2551342324 |
7 | 513145513 |
oct | 162432114 |
9 | 62447777 |
10 | 30028876 |
11 | 15a50159 |
12 | a0819a4 |
13 | 62b5187 |
14 | 3db967a |
15 | 29826a1 |
hex | 1ca344c |
30028876 has 12 divisors (see below), whose sum is σ = 53441640. Its totient is φ = 14759840.
The previous prime is 30028871. The next prime is 30028903. The reversal of 30028876 is 67882003.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30028871) 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, 63385 + ... + 63856.
It is an arithmetic number, because the mean of its divisors is an integer number (4453470).
Almost surely, 230028876 is an apocalyptic number.
It is an amenable number.
30028876 is a deficient number, since it is larger than the sum of its proper divisors (23412764).
30028876 is a wasteful number, since it uses less digits than its factorization.
30028876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127304 (or 127302 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 30028876 is about 5479.8609471409. The cubic root of 30028876 is about 310.8229124550.
The spelling of 30028876 in words is "thirty million, twenty-eight thousand, eight hundred seventy-six".
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