Base | Representation |
---|---|
bin | 110111010010… |
… | …0011011000000 |
3 | 2000112120222102 |
4 | 1232210123000 |
5 | 24410010044 |
6 | 2513125532 |
7 | 501240305 |
oct | 156443300 |
9 | 60476872 |
10 | 28985024 |
11 | 153a7972 |
12 | 98598a8 |
13 | 600b003 |
14 | 3bc70ac |
15 | 282824e |
hex | 1ba46c0 |
28985024 has 28 divisors (see below), whose sum is σ = 58088784. Its totient is φ = 14348544.
The previous prime is 28985009. The next prime is 28985027. The reversal of 28985024 is 42058982.
It is not an unprimeable number, because it can be changed into a prime (28985027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394 + ... + 8790.
Almost surely, 228985024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28985024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29044392).
28985024 is an abundant number, since it is smaller than the sum of its proper divisors (29103760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28985024 is a wasteful number, since it uses less digits than its factorization.
28985024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4512 (or 4502 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 38.
The square root of 28985024 is about 5383.7741408792. The cubic root of 28985024 is about 307.1787872361.
The spelling of 28985024 in words is "twenty-eight million, nine hundred eighty-five thousand, twenty-four".
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