Base | Representation |
---|---|
bin | 100010111110… |
… | …0000101101101 |
3 | 1021111110121022 |
4 | 1011330011231 |
5 | 14143142221 |
6 | 1452543525 |
7 | 311560034 |
oct | 105740555 |
9 | 37443538 |
10 | 18334061 |
11 | a392719 |
12 | 6181ba5 |
13 | 3a4c075 |
14 | 261371b |
15 | 19224ab |
hex | 117c16d |
18334061 has 4 divisors (see below), whose sum is σ = 18966300. Its totient is φ = 17701824.
The previous prime is 18334027. The next prime is 18334087. The reversal of 18334061 is 16043381.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16043381 = 1061 ⋅15121.
It can be written as a sum of positive squares in 2 ways, for example, as 6300100 + 12033961 = 2510^2 + 3469^2 .
It is a cyclic number.
It is not a de Polignac number, because 18334061 - 218 = 18071917 is a prime.
It is a super-2 number, since 2×183340612 = 672275585503442, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 18334061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18334091) 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 3 ways as a sum of consecutive naturals, for example, 316076 + ... + 316133.
It is an arithmetic number, because the mean of its divisors is an integer number (4741575).
Almost surely, 218334061 is an apocalyptic number.
It is an amenable number.
18334061 is a deficient number, since it is larger than the sum of its proper divisors (632239).
18334061 is an equidigital number, since it uses as much as digits as its factorization.
18334061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 632238.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 18334061 is about 4281.8291652050. The cubic root of 18334061 is about 263.6854849954.
The spelling of 18334061 in words is "eighteen million, three hundred thirty-four thousand, sixty-one".
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