Base | Representation |
---|---|
bin | 110111000110… |
… | …0010010010000 |
3 | 2000100120100210 |
4 | 1232030102100 |
5 | 24343324120 |
6 | 2511044120 |
7 | 500346132 |
oct | 156142220 |
9 | 60316323 |
10 | 28886160 |
11 | 1533a666 |
12 | 9810640 |
13 | 5ca5004 |
14 | 3b9d052 |
15 | 2808ce0 |
hex | 1b8c490 |
28886160 has 80 divisors (see below), whose sum is σ = 93458304. Its totient is φ = 7366656.
The previous prime is 28886147. The next prime is 28886171. The reversal of 28886160 is 6168882.
It is a tau number, because it is divible by the number of its divisors (80).
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, 2904 + ... + 8136.
Almost surely, 228886160 is an apocalyptic number.
28886160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28886160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46729152).
28886160 is an abundant number, since it is smaller than the sum of its proper divisors (64572144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28886160 is a wasteful number, since it uses less digits than its factorization.
28886160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5272 (or 5266 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 28886160 is about 5374.5846351137. The cubic root of 28886160 is about 306.8291409578.
The spelling of 28886160 in words is "twenty-eight million, eight hundred eighty-six thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •