Base | Representation |
---|---|
bin | 110101011100… |
… | …0011100110010 |
3 | 1221201111010120 |
4 | 1222320130302 |
5 | 24133042412 |
6 | 2440311110 |
7 | 460103352 |
oct | 152703462 |
9 | 57644116 |
10 | 28018482 |
11 | 148a7778 |
12 | 9472496 |
13 | 5a600ab |
14 | 3a14b62 |
15 | 26d6b8c |
hex | 1ab8732 |
28018482 has 32 divisors (see below), whose sum is σ = 61254144. Its totient is φ = 8505600.
The previous prime is 28018481. The next prime is 28018493. The reversal of 28018482 is 28481082.
It is not an unprimeable number, because it can be changed into a prime (28018481) 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 15 ways as a sum of consecutive naturals, for example, 1269 + ... + 7592.
It is an arithmetic number, because the mean of its divisors is an integer number (1914192).
Almost surely, 228018482 is an apocalyptic number.
28018482 is an abundant number, since it is smaller than the sum of its proper divisors (33235662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28018482 is a wasteful number, since it uses less digits than its factorization.
28018482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8914.
The product of its (nonzero) digits is 8192, while the sum is 33.
The square root of 28018482 is about 5293.2487188871. The cubic root of 28018482 is about 303.7256946800.
The spelling of 28018482 in words is "twenty-eight million, eighteen thousand, four hundred eighty-two".
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