Base | Representation |
---|---|
bin | 100010100101… |
… | …1010001100000 |
3 | 1021010022022210 |
4 | 1011023101200 |
5 | 14120242422 |
6 | 1444402120 |
7 | 310065063 |
oct | 105132140 |
9 | 37108283 |
10 | 18134112 |
11 | a266477 |
12 | 60a6340 |
13 | 39ac059 |
14 | 25a08da |
15 | 18d310c |
hex | 114b460 |
18134112 has 48 divisors (see below), whose sum is σ = 48066480. Its totient is φ = 5985792.
The previous prime is 18134111. The next prime is 18134119. The reversal of 18134112 is 21143181.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18134111) 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, 9598 + ... + 11330.
It is an arithmetic number, because the mean of its divisors is an integer number (1001385).
Almost surely, 218134112 is an apocalyptic number.
18134112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18134112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24033240).
18134112 is an abundant number, since it is smaller than the sum of its proper divisors (29932368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18134112 is a wasteful number, since it uses less digits than its factorization.
18134112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1855 (or 1847 counting only the distinct ones).
The product of its digits is 192, while the sum is 21.
The square root of 18134112 is about 4258.4166071440. The cubic root of 18134112 is about 262.7234052779.
Adding to 18134112 its reverse (21143181), we get a palindrome (39277293).
The spelling of 18134112 in words is "eighteen million, one hundred thirty-four thousand, one hundred twelve".
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