Base | Representation |
---|---|
bin | 110110000110… |
… | …0000111001000 |
3 | 1222100220012100 |
4 | 1230030013020 |
5 | 24230024120 |
6 | 2451513400 |
7 | 463031412 |
oct | 154140710 |
9 | 58326170 |
10 | 28361160 |
11 | 15011183 |
12 | 95b8860 |
13 | 5b50069 |
14 | 3aa39b2 |
15 | 2753490 |
hex | 1b0c1c8 |
28361160 has 48 divisors (see below), whose sum is σ = 92174940. Its totient is φ = 7562880.
The previous prime is 28361147. The next prime is 28361161. The reversal of 28361160 is 6116382.
It can be written as a sum of positive squares in 2 ways, for example, as 26440164 + 1920996 = 5142^2 + 1386^2 .
It is not an unprimeable number, because it can be changed into a prime (28361161) 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, 39031 + ... + 39750.
Almost surely, 228361160 is an apocalyptic number.
28361160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28361160 is an abundant number, since it is smaller than the sum of its proper divisors (63813780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28361160 is a wasteful number, since it uses less digits than its factorization.
28361160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78798 (or 78791 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 28361160 is about 5325.5196929502. The cubic root of 28361160 is about 304.9589123188.
The spelling of 28361160 in words is "twenty-eight million, three hundred sixty-one thousand, one hundred sixty".
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