Base | Representation |
---|---|
bin | 110110001110… |
… | …010001001101 |
3 | 222202011020122 |
4 | 312032101031 |
5 | 12114323341 |
6 | 1224354325 |
7 | 231550610 |
oct | 66162115 |
9 | 28664218 |
10 | 14214221 |
11 | 802939a |
12 | 49159a5 |
13 | 2c38aa8 |
14 | 1c60177 |
15 | 13ab94b |
hex | d8e44d |
14214221 has 16 divisors (see below), whose sum is σ = 16711680. Its totient is φ = 11838960.
The previous prime is 14214203. The next prime is 14214289. The reversal of 14214221 is 12241241.
14214221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 14214221 - 214 = 14197837 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 14214221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14214121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52316 + ... + 52586.
It is an arithmetic number, because the mean of its divisors is an integer number (1044480).
Almost surely, 214214221 is an apocalyptic number.
It is an amenable number.
14214221 is a deficient number, since it is larger than the sum of its proper divisors (2497459).
14214221 is a wasteful number, since it uses less digits than its factorization.
14214221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464.
The product of its digits is 128, while the sum is 17.
The square root of 14214221 is about 3770.1751948683. The cubic root of 14214221 is about 242.2373022327.
Adding to 14214221 its reverse (12241241), we get a palindrome (26455462).
The spelling of 14214221 in words is "fourteen million, two hundred fourteen thousand, two hundred twenty-one".
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