Base | Representation |
---|---|
bin | 110101100011… |
… | …1100110100110 |
3 | 1221211122021101 |
4 | 1223013212212 |
5 | 24142034200 |
6 | 2441510314 |
7 | 460452331 |
oct | 153074646 |
9 | 57748241 |
10 | 28080550 |
11 | 1493a373 |
12 | 94a239a |
13 | 5a82414 |
14 | 3a2d618 |
15 | 26ea26a |
hex | 1ac79a6 |
28080550 has 24 divisors (see below), whose sum is σ = 52898400. Its totient is φ = 11088480.
The previous prime is 28080527. The next prime is 28080551. The reversal of 28080550 is 5508082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28080551) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396 + ... + 7504.
It is an arithmetic number, because the mean of its divisors is an integer number (2204100).
Almost surely, 228080550 is an apocalyptic number.
28080550 is a deficient number, since it is larger than the sum of its proper divisors (24817850).
28080550 is a wasteful number, since it uses less digits than its factorization.
28080550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7200 (or 7195 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 28.
The square root of 28080550 is about 5299.1084155733. The cubic root of 28080550 is about 303.9498055977.
The spelling of 28080550 in words is "twenty-eight million, eighty thousand, five hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •