Base | Representation |
---|---|
bin | 110111000010… |
… | …0111100010010 |
3 | 2000022001002210 |
4 | 1232010330102 |
5 | 24341343312 |
6 | 2510252550 |
7 | 500162343 |
oct | 156047422 |
9 | 60261083 |
10 | 28856082 |
11 | 1531a002 |
12 | 97b7156 |
13 | 5c94408 |
14 | 3b920ca |
15 | 27eee3c |
hex | 1b84f12 |
28856082 has 8 divisors (see below), whose sum is σ = 57712176. Its totient is φ = 9618692.
The previous prime is 28856077. The next prime is 28856101. The reversal of 28856082 is 28065882.
It is a sphenic number, since it is the product of 3 distinct primes.
28856082 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 28856082.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404668 + ... + 2404679.
It is an arithmetic number, because the mean of its divisors is an integer number (7214022).
Almost surely, 228856082 is an apocalyptic number.
28856082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28856082 is a wasteful number, since it uses less digits than its factorization.
28856082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4809352.
The product of its (nonzero) digits is 61440, while the sum is 39.
The square root of 28856082 is about 5371.7857366057. The cubic root of 28856082 is about 306.7226076797.
The spelling of 28856082 in words is "twenty-eight million, eight hundred fifty-six thousand, eighty-two".
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