Base | Representation |
---|---|
bin | 110101100101… |
… | …1001111010100 |
3 | 1221212101201000 |
4 | 1223023033110 |
5 | 24143023234 |
6 | 2442103300 |
7 | 460543626 |
oct | 153131724 |
9 | 57771630 |
10 | 28095444 |
11 | 1494a583 |
12 | 94aab30 |
13 | 5a89130 |
14 | 3a34c16 |
15 | 26ee899 |
hex | 1acb3d4 |
28095444 has 48 divisors (see below), whose sum is σ = 78447040. Its totient is φ = 8644320.
The previous prime is 28095421. The next prime is 28095449. The reversal of 28095444 is 44459082.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 28095399 and 28095408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28095449) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8602 + ... + 11409.
Almost surely, 228095444 is an apocalyptic number.
It is an amenable number.
28095444 is an abundant number, since it is smaller than the sum of its proper divisors (50351596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28095444 is a wasteful number, since it uses less digits than its factorization.
28095444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20037 (or 20029 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 28095444 is about 5300.5135600242. The cubic root of 28095444 is about 304.0035347004.
The spelling of 28095444 in words is "twenty-eight million, ninety-five thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •