Base | Representation |
---|---|
bin | 100011001000… |
… | …1100100010001 |
3 | 1021122221021112 |
4 | 1012101210101 |
5 | 14204001113 |
6 | 1454503105 |
7 | 312404360 |
oct | 106214421 |
9 | 37587245 |
10 | 18422033 |
11 | a442823 |
12 | 6204a95 |
13 | 3a80116 |
14 | 26377d7 |
15 | 193d5a8 |
hex | 1191911 |
18422033 has 8 divisors (see below), whose sum is σ = 22292352. Its totient is φ = 14861376.
The previous prime is 18422009. The next prime is 18422071. The reversal of 18422033 is 33022481.
18422033 is nontrivially palindromic in base 16.
18422033 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.
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 18422033 - 26 = 18421969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18422003) 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, 77285 + ... + 77522.
It is an arithmetic number, because the mean of its divisors is an integer number (2786544).
Almost surely, 218422033 is an apocalyptic number.
It is an amenable number.
18422033 is a deficient number, since it is larger than the sum of its proper divisors (3870319).
18422033 is a wasteful number, since it uses less digits than its factorization.
18422033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154831.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 18422033 is about 4292.0895843400. The cubic root of 18422033 is about 264.1065580327.
The spelling of 18422033 in words is "eighteen million, four hundred twenty-two thousand, thirty-three".
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