Base | Representation |
---|---|
bin | 100010010111… |
… | …0000111111101 |
3 | 1020220020112202 |
4 | 1010232013331 |
5 | 14102432332 |
6 | 1442041245 |
7 | 306060020 |
oct | 104560775 |
9 | 36806482 |
10 | 18014717 |
11 | a1947a6 |
12 | 6049225 |
13 | 39698c6 |
14 | 256d1b7 |
15 | 18aca62 |
hex | 112e1fd |
18014717 has 8 divisors (see below), whose sum is σ = 21672000. Its totient is φ = 14628384.
The previous prime is 18014707. The next prime is 18014723. The reversal of 18014717 is 71741081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18014717 - 24 = 18014701 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 18014717.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18014707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67592 + ... + 67857.
It is an arithmetic number, because the mean of its divisors is an integer number (2709000).
Almost surely, 218014717 is an apocalyptic number.
It is an amenable number.
18014717 is a deficient number, since it is larger than the sum of its proper divisors (3657283).
18014717 is a wasteful number, since it uses less digits than its factorization.
18014717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135475.
The product of its (nonzero) digits is 1568, while the sum is 29.
The square root of 18014717 is about 4244.3747478280. The cubic root of 18014717 is about 262.1455448732.
Adding to 18014717 its reverse (71741081), we get a palindrome (89755798).
The spelling of 18014717 in words is "eighteen million, fourteen thousand, seven hundred seventeen".
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