Base | Representation |
---|---|
bin | 110101100111… |
… | …0010100011010 |
3 | 1221220001000012 |
4 | 1223032110122 |
5 | 24143424213 |
6 | 2442241522 |
7 | 460625456 |
oct | 153162432 |
9 | 57801005 |
10 | 28108058 |
11 | 14959000 |
12 | 94b62a2 |
13 | 5a91ab4 |
14 | 3a39666 |
15 | 27034a8 |
hex | 1ace51a |
28108058 has 16 divisors (see below), whose sum is σ = 46379520. Its totient is φ = 12775180.
The previous prime is 28108051. The next prime is 28108061. The reversal of 28108058 is 85080182.
It is a super-3 number, since 3×281080583 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (28108051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618 + ... + 7941.
It is an arithmetic number, because the mean of its divisors is an integer number (2898720).
Almost surely, 228108058 is an apocalyptic number.
28108058 is a deficient number, since it is larger than the sum of its proper divisors (18271462).
28108058 is a wasteful number, since it uses less digits than its factorization.
28108058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10594 (or 10572 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 32.
The square root of 28108058 is about 5301.7033112010. The cubic root of 28108058 is about 304.0490240075.
The spelling of 28108058 in words is "twenty-eight million, one hundred eight thousand, fifty-eight".
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