Base | Representation |
---|---|
bin | 100011001001… |
… | …0000011101001 |
3 | 1021200001000220 |
4 | 1012102003221 |
5 | 14204032131 |
6 | 1454520253 |
7 | 312413256 |
oct | 106220351 |
9 | 37601026 |
10 | 18424041 |
11 | a444289 |
12 | 6206089 |
13 | 3a80ccc |
14 | 263842d |
15 | 193de96 |
hex | 11920e9 |
18424041 has 4 divisors (see below), whose sum is σ = 24565392. Its totient is φ = 12282692.
The previous prime is 18424027. The next prime is 18424067. The reversal of 18424041 is 14042481.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14042481 = 3 ⋅4680827.
It is a cyclic number.
It is not a de Polignac number, because 18424041 - 211 = 18421993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18424741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3070671 + ... + 3070676.
It is an arithmetic number, because the mean of its divisors is an integer number (6141348).
Almost surely, 218424041 is an apocalyptic number.
It is an amenable number.
18424041 is a deficient number, since it is larger than the sum of its proper divisors (6141351).
18424041 is an equidigital number, since it uses as much as digits as its factorization.
18424041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6141350.
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 18424041 is about 4292.3234966624. The cubic root of 18424041 is about 264.1161535480.
The spelling of 18424041 in words is "eighteen million, four hundred twenty-four thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •