Base | Representation |
---|---|
bin | 110101100011… |
… | …0011110111000 |
3 | 1221211101222101 |
4 | 1223012132320 |
5 | 24141412320 |
6 | 2441433144 |
7 | 460433053 |
oct | 153063670 |
9 | 57741871 |
10 | 28075960 |
11 | 14936980 |
12 | 949b7b4 |
13 | 5a802c3 |
14 | 3a2ba9a |
15 | 26e8c0a |
hex | 1ac67b8 |
28075960 has 32 divisors (see below), whose sum is σ = 68914800. Its totient is φ = 10209280.
The previous prime is 28075937. The next prime is 28075961. The reversal of 28075960 is 6957082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28075961) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31465 + ... + 32344.
Almost surely, 228075960 is an apocalyptic number.
28075960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28075960 is an abundant number, since it is smaller than the sum of its proper divisors (40838840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28075960 is a wasteful number, since it uses less digits than its factorization.
28075960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63831 (or 63827 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 28075960 is about 5298.6753061496. The cubic root of 28075960 is about 303.9332436521.
The spelling of 28075960 in words is "twenty-eight million, seventy-five thousand, nine hundred sixty".
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