Base | Representation |
---|---|
bin | 110111000101… |
… | …1111110010010 |
3 | 2000100111121110 |
4 | 1232023332102 |
5 | 24343304012 |
6 | 2511034150 |
7 | 500342325 |
oct | 156137622 |
9 | 60314543 |
10 | 28884882 |
11 | 15339704 |
12 | 980b956 |
13 | 5ca4560 |
14 | 3b9c7bc |
15 | 280873c |
hex | 1b8bf92 |
28884882 has 32 divisors (see below), whose sum is σ = 62419392. Its totient is φ = 8858304.
The previous prime is 28884881. The next prime is 28884893. The reversal of 28884882 is 28848882.
It is not an unprimeable number, because it can be changed into a prime (28884881) 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, 42328 + ... + 43004.
It is an arithmetic number, because the mean of its divisors is an integer number (1950606).
Almost surely, 228884882 is an apocalyptic number.
28884882 is an abundant number, since it is smaller than the sum of its proper divisors (33534510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28884882 is a wasteful number, since it uses less digits than its factorization.
28884882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242.
The product of its digits is 524288, while the sum is 48.
The square root of 28884882 is about 5374.4657408900. The cubic root of 28884882 is about 306.8246159140.
The spelling of 28884882 in words is "twenty-eight million, eight hundred eighty-four thousand, eight hundred eighty-two".
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