Base | Representation |
---|---|
bin | 100010111100… |
… | …0010010010011 |
3 | 1021110200020100 |
4 | 1011320102103 |
5 | 14142142413 |
6 | 1452343443 |
7 | 311463441 |
oct | 105702223 |
9 | 37420210 |
10 | 18318483 |
11 | a381a47 |
12 | 6174b83 |
13 | 3a44c51 |
14 | 260bb91 |
15 | 191ca73 |
hex | 1178493 |
18318483 has 18 divisors (see below), whose sum is σ = 26950092. Its totient is φ = 11990160.
The previous prime is 18318463. The next prime is 18318499. The reversal of 18318483 is 38481381.
It is not a de Polignac number, because 18318483 - 214 = 18302099 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (18318463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33216 + ... + 33762.
Almost surely, 218318483 is an apocalyptic number.
18318483 is a deficient number, since it is larger than the sum of its proper divisors (8631609).
18318483 is an equidigital number, since it uses as much as digits as its factorization.
With its predecessor (18318482) it forms an eRAP, since the sums of their prime factors are consecutive (674 and 675).
18318483 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 675 (or 611 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 18318483 is about 4280.0096962507. The cubic root of 18318483 is about 263.6107814798.
The spelling of 18318483 in words is "eighteen million, three hundred eighteen thousand, four hundred eighty-three".
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