Base | Representation |
---|---|
bin | 110110100001… |
… | …0001111000110 |
3 | 1222210011022020 |
4 | 1231002033012 |
5 | 24304122404 |
6 | 2500344010 |
7 | 464643636 |
oct | 155021706 |
9 | 58704266 |
10 | 28582854 |
11 | 151527a3 |
12 | 96a5006 |
13 | 5bc9c41 |
14 | 3b206c6 |
15 | 2798ed9 |
hex | 1b423c6 |
28582854 has 8 divisors (see below), whose sum is σ = 57165720. Its totient is φ = 9527616.
The previous prime is 28582789. The next prime is 28582861. The reversal of 28582854 is 45828582.
It is a sphenic number, since it is the product of 3 distinct primes.
28582854 is an admirable number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a congruent number.
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, 2381899 + ... + 2381910.
It is an arithmetic number, because the mean of its divisors is an integer number (7145715).
Almost surely, 228582854 is an apocalyptic number.
28582854 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.
28582854 is a wasteful number, since it uses less digits than its factorization.
28582854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4763814.
The product of its digits is 204800, while the sum is 42.
The square root of 28582854 is about 5346.2934824044. The cubic root of 28582854 is about 305.7514535207.
The spelling of 28582854 in words is "twenty-eight million, five hundred eighty-two thousand, eight hundred fifty-four".
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