Base | Representation |
---|---|
bin | 110101100100… |
… | …0101101010100 |
3 | 1221211212111000 |
4 | 1223020231110 |
5 | 24142210301 |
6 | 2441543300 |
7 | 460501455 |
oct | 153105524 |
9 | 57755430 |
10 | 28085076 |
11 | 14942808 |
12 | 94a4b30 |
13 | 5a844b6 |
14 | 3a3112c |
15 | 26eb786 |
hex | 1ac8b54 |
28085076 has 24 divisors (see below), whose sum is σ = 72813440. Its totient is φ = 9361656.
The previous prime is 28085051. The next prime is 28085087. The reversal of 28085076 is 67058082.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 28085076.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129916 + ... + 130131.
Almost surely, 228085076 is an apocalyptic number.
It is an amenable number.
28085076 is an abundant number, since it is smaller than the sum of its proper divisors (44728364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28085076 is a wasteful number, since it uses less digits than its factorization.
28085076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260060 (or 260052 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 28085076 is about 5299.5354513391. The cubic root of 28085076 is about 303.9661348472.
The spelling of 28085076 in words is "twenty-eight million, eighty-five thousand, seventy-six".
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