Base | Representation |
---|---|
bin | 110111000010… |
… | …0011001111110 |
3 | 2000021221002110 |
4 | 1232010121332 |
5 | 24341311021 |
6 | 2510234450 |
7 | 500153055 |
oct | 156043176 |
9 | 60257073 |
10 | 28853886 |
11 | 15318396 |
12 | 97b5a26 |
13 | 5c93409 |
14 | 3b9139c |
15 | 27ee476 |
hex | 1b8467e |
28853886 has 16 divisors (see below), whose sum is σ = 58009104. Its totient is φ = 9567744.
The previous prime is 28853857. The next prime is 28853887. The reversal of 28853886 is 68835882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28853887) 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, 11301 + ... + 13616.
It is an arithmetic number, because the mean of its divisors is an integer number (3625569).
Almost surely, 228853886 is an apocalyptic number.
28853886 is an abundant number, since it is smaller than the sum of its proper divisors (29155218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28853886 is a wasteful number, since it uses less digits than its factorization.
28853886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25115.
The product of its digits is 737280, while the sum is 48.
The square root of 28853886 is about 5371.5813314144. The cubic root of 28853886 is about 306.7148267674.
The spelling of 28853886 in words is "twenty-eight million, eight hundred fifty-three thousand, eight hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.164 sec. • engine limits •