Base | Representation |
---|---|
bin | 110111000000… |
… | …0110011111010 |
3 | 2000021011220010 |
4 | 1232000303322 |
5 | 24340323122 |
6 | 2510042350 |
7 | 500062122 |
oct | 156006372 |
9 | 60234803 |
10 | 28839162 |
11 | 15308320 |
12 | 97a93b6 |
13 | 5c897c1 |
14 | 3b89c82 |
15 | 27e9e0c |
hex | 1b80cfa |
28839162 has 16 divisors (see below), whose sum is σ = 62921952. Its totient is φ = 8739120.
The previous prime is 28839149. The next prime is 28839179. The reversal of 28839162 is 26193882.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 28839162.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218413 + ... + 218544.
It is an arithmetic number, because the mean of its divisors is an integer number (3932622).
Almost surely, 228839162 is an apocalyptic number.
28839162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28839162 is an abundant number, since it is smaller than the sum of its proper divisors (34082790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28839162 is a wasteful number, since it uses less digits than its factorization.
28839162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 436973.
The product of its digits is 41472, while the sum is 39.
The square root of 28839162 is about 5370.2106103951. The cubic root of 28839162 is about 306.6626461876.
The spelling of 28839162 in words is "twenty-eight million, eight hundred thirty-nine thousand, one hundred sixty-two".
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