Base | Representation |
---|---|
bin | 100010110110… |
… | …0110001101101 |
3 | 1021101021120100 |
4 | 1011230301231 |
5 | 14134140331 |
6 | 1451341313 |
7 | 311206134 |
oct | 105546155 |
9 | 37337510 |
10 | 18271341 |
11 | a34a590 |
12 | 6151839 |
13 | 3a2965a |
14 | 25d891b |
15 | 190dae6 |
hex | 116cc6d |
18271341 has 12 divisors (see below), whose sum is σ = 28791360. Its totient is φ = 11073480.
The previous prime is 18271327. The next prime is 18271349. The reversal of 18271341 is 14317281.
It is not a de Polignac number, because 18271341 - 213 = 18263149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18271349) 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 11 ways as a sum of consecutive naturals, for example, 92181 + ... + 92378.
It is an arithmetic number, because the mean of its divisors is an integer number (2399280).
Almost surely, 218271341 is an apocalyptic number.
18271341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
18271341 is a deficient number, since it is larger than the sum of its proper divisors (10520019).
18271341 is a wasteful number, since it uses less digits than its factorization.
18271341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184576 (or 184573 counting only the distinct ones).
The product of its digits is 1344, while the sum is 27.
The square root of 18271341 is about 4274.4989180020. The cubic root of 18271341 is about 263.3844560611.
The spelling of 18271341 in words is "eighteen million, two hundred seventy-one thousand, three hundred forty-one".
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