Base | Representation |
---|---|
bin | 110110001100… |
… | …0001111111000 |
3 | 1222110102101112 |
4 | 1230120033320 |
5 | 24233121442 |
6 | 2452535452 |
7 | 463326350 |
oct | 154301770 |
9 | 58412345 |
10 | 28410872 |
11 | 15045566 |
12 | 9621588 |
13 | 5b69889 |
14 | 3ab7b60 |
15 | 2763082 |
hex | 1b183f8 |
28410872 has 32 divisors (see below), whose sum is σ = 61885920. Its totient is φ = 11975040.
The previous prime is 28410841. The next prime is 28410883. The reversal of 28410872 is 27801482.
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, 743 + ... + 7574.
It is an arithmetic number, because the mean of its divisors is an integer number (1933935).
Almost surely, 228410872 is an apocalyptic number.
It is an amenable number.
28410872 is an abundant number, since it is smaller than the sum of its proper divisors (33475048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28410872 is a wasteful number, since it uses less digits than its factorization.
28410872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8391 (or 8387 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 28410872 is about 5330.1849874090. The cubic root of 28410872 is about 305.1369876445.
The spelling of 28410872 in words is "twenty-eight million, four hundred ten thousand, eight hundred seventy-two".
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