Base | Representation |
---|---|
bin | 100010111001… |
… | …1010110101100 |
3 | 1021102122112020 |
4 | 1011303112230 |
5 | 14141021114 |
6 | 1452110140 |
7 | 311350524 |
oct | 105632654 |
9 | 37378466 |
10 | 18298284 |
11 | a368854 |
12 | 6165350 |
13 | 3a389b4 |
14 | 2604684 |
15 | 1916aa9 |
hex | 11735ac |
18298284 has 24 divisors (see below), whose sum is σ = 43098048. Its totient is φ = 6042000.
The previous prime is 18298213. The next prime is 18298289. The reversal of 18298284 is 48289281.
It is not an unprimeable number, because it can be changed into a prime (18298289) 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, 5842 + ... + 8409.
It is an arithmetic number, because the mean of its divisors is an integer number (1795752).
Almost surely, 218298284 is an apocalyptic number.
It is an amenable number.
18298284 is an abundant number, since it is smaller than the sum of its proper divisors (24799764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18298284 is a wasteful number, since it uses less digits than its factorization.
18298284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14365 (or 14363 counting only the distinct ones).
The product of its digits is 73728, while the sum is 42.
The square root of 18298284 is about 4277.6493544937. The cubic root of 18298284 is about 263.5138551046.
The spelling of 18298284 in words is "eighteen million, two hundred ninety-eight thousand, two hundred eighty-four".
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