Base | Representation |
---|---|
bin | 100010010111… |
… | …0000011011001 |
3 | 1020220020010221 |
4 | 1010232003121 |
5 | 14102430200 |
6 | 1442040041 |
7 | 306056122 |
oct | 104560331 |
9 | 36806127 |
10 | 18014425 |
11 | a194560 |
12 | 6049021 |
13 | 3969730 |
14 | 256d049 |
15 | 18ac91a |
hex | 112e0d9 |
18014425 has 24 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 12091200.
The previous prime is 18014417. The next prime is 18014471. The reversal of 18014425 is 52441081.
It is not a de Polignac number, because 18014425 - 23 = 18014417 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 18014425.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1056 + ... + 6094.
It is an arithmetic number, because the mean of its divisors is an integer number (1093680).
Almost surely, 218014425 is an apocalyptic number.
It is an amenable number.
18014425 is a deficient number, since it is larger than the sum of its proper divisors (8233895).
18014425 is a wasteful number, since it uses less digits than its factorization.
18014425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5073 (or 5068 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 18014425 is about 4244.3403492180. The cubic root of 18014425 is about 262.1441284959.
It can be divided in two parts, 1801 and 4425, that added together give a palindrome (6226).
The spelling of 18014425 in words is "eighteen million, fourteen thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •