Base | Representation |
---|---|
bin | 110111110101… |
… | …111100100001 |
3 | 1000112201202210 |
4 | 313311330201 |
5 | 12221421011 |
6 | 1241432333 |
7 | 235266645 |
oct | 67657441 |
9 | 30481683 |
10 | 14638881 |
11 | 8299454 |
12 | 4a9b6a9 |
13 | 305717a |
14 | 1d30c25 |
15 | 14426a6 |
hex | df5f21 |
14638881 has 8 divisors (see below), whose sum is σ = 20191680. Its totient is φ = 9422672.
The previous prime is 14638849. The next prime is 14638891. The reversal of 14638881 is 18883641.
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 14638881 - 25 = 14638849 is a prime.
It is a super-2 number, since 2×146388812 = 428593673864322, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (14638801) 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, 84045 + ... + 84218.
It is an arithmetic number, because the mean of its divisors is an integer number (2523960).
Almost surely, 214638881 is an apocalyptic number.
It is an amenable number.
14638881 is a deficient number, since it is larger than the sum of its proper divisors (5552799).
14638881 is a wasteful number, since it uses less digits than its factorization.
14638881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168295.
The product of its digits is 36864, while the sum is 39.
The square root of 14638881 is about 3826.0790634800. The cubic root of 14638881 is about 244.6260072048.
The spelling of 14638881 in words is "fourteen million, six hundred thirty-eight thousand, eight hundred eighty-one".
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