Base | Representation |
---|---|
bin | 100011110010… |
… | …0000101001110 |
3 | 1022022002220100 |
4 | 1013210011032 |
5 | 14300310024 |
6 | 1510031530 |
7 | 315312630 |
oct | 107440516 |
9 | 38262810 |
10 | 18760014 |
11 | a653749 |
12 | 63485a6 |
13 | 3b6ac00 |
14 | 26c4a50 |
15 | 19a87c9 |
hex | 11e414e |
18760014 has 72 divisors (see below), whose sum is σ = 50358672. Its totient is φ = 4942080.
The previous prime is 18760009. The next prime is 18760031. The reversal of 18760014 is 41006781.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 18760014.
It is a congruent number.
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 35 ways as a sum of consecutive naturals, for example, 20854 + ... + 21734.
It is an arithmetic number, because the mean of its divisors is an integer number (699426).
Almost surely, 218760014 is an apocalyptic number.
18760014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 18760014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25179336).
18760014 is an abundant number, since it is smaller than the sum of its proper divisors (31598658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18760014 is a wasteful number, since it uses less digits than its factorization.
18760014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922 (or 906 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 18760014 is about 4331.2831816911. The cubic root of 18760014 is about 265.7119292690.
Adding to 18760014 its reverse (41006781), we get a palindrome (59766795).
The spelling of 18760014 in words is "eighteen million, seven hundred sixty thousand, fourteen".
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