Base | Representation |
---|---|
bin | 110110011111… |
… | …0010111110010 |
3 | 1222202100121000 |
4 | 1230332113302 |
5 | 24303121101 |
6 | 2500142430 |
7 | 464546535 |
oct | 154762762 |
9 | 58670530 |
10 | 28567026 |
11 | 15141914 |
12 | 9697a16 |
13 | 5bc2987 |
14 | 3b18a1c |
15 | 2794486 |
hex | 1b3e5f2 |
28567026 has 32 divisors (see below), whose sum is σ = 63659520. Its totient is φ = 9495792.
The previous prime is 28566983. The next prime is 28567031. The reversal of 28567026 is 62076582.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32671 + ... + 33533.
It is an arithmetic number, because the mean of its divisors is an integer number (1989360).
Almost surely, 228567026 is an apocalyptic number.
28567026 is an abundant number, since it is smaller than the sum of its proper divisors (35092494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28567026 is a wasteful number, since it uses less digits than its factorization.
28567026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1487 (or 1481 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 28567026 is about 5344.8129995352. The cubic root of 28567026 is about 305.6950056053.
The spelling of 28567026 in words is "twenty-eight million, five hundred sixty-seven thousand, twenty-six".
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