Base | Representation |
---|---|
bin | 100010011111… |
… | …0110000100001 |
3 | 1021000201000011 |
4 | 1010332300201 |
5 | 14112122344 |
6 | 1443324521 |
7 | 306462451 |
oct | 104766041 |
9 | 37021004 |
10 | 18082849 |
11 | a230a04 |
12 | 6080741 |
13 | 3991915 |
14 | 2589d61 |
15 | 18c2d34 |
hex | 113ec21 |
18082849 has 8 divisors (see below), whose sum is σ = 19198080. Its totient is φ = 16973376.
The previous prime is 18082843. The next prime is 18082873. The reversal of 18082849 is 94828081.
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 18082849 - 27 = 18082721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18082843) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 6252 + ... + 8674.
It is an arithmetic number, because the mean of its divisors is an integer number (2399760).
Almost surely, 218082849 is an apocalyptic number.
It is an amenable number.
18082849 is a deficient number, since it is larger than the sum of its proper divisors (1115231).
18082849 is a wasteful number, since it uses less digits than its factorization.
18082849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2879.
The product of its (nonzero) digits is 36864, while the sum is 40.
The square root of 18082849 is about 4252.3933261165. The cubic root of 18082849 is about 262.4756089204.
The spelling of 18082849 in words is "eighteen million, eighty-two thousand, eight hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •