Base | Representation |
---|---|
bin | 110110001000… |
… | …1010000110000 |
3 | 1222101222010200 |
4 | 1230101100300 |
5 | 24231213011 |
6 | 2452155200 |
7 | 463150050 |
oct | 154212060 |
9 | 58358120 |
10 | 28382256 |
11 | 15026011 |
12 | 9608b00 |
13 | 5b59846 |
14 | 3aab560 |
15 | 2759856 |
hex | 1b11430 |
28382256 has 120 divisors (see below), whose sum is σ = 93354144. Its totient is φ = 7879680.
The previous prime is 28382227. The next prime is 28382273. The reversal of 28382256 is 65228382.
28382256 is a `hidden beast` number, since 28 + 382 + 256 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 28382256.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36916 + ... + 37676.
Almost surely, 228382256 is an apocalyptic number.
It is a pronic number, being equal to 5327×5328.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28382256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46677072).
28382256 is an abundant number, since it is smaller than the sum of its proper divisors (64971888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28382256 is a wasteful number, since it uses less digits than its factorization.
28382256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 819 (or 810 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 28382256 is about 5327.4999765368. The cubic root of 28382256 is about 305.0345065322.
The spelling of 28382256 in words is "twenty-eight million, three hundred eighty-two thousand, two hundred fifty-six".
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