Base | Representation |
---|---|
bin | 110110010000… |
… | …011101111111 |
3 | 222202121121100 |
4 | 312100131333 |
5 | 12120120411 |
6 | 1224504143 |
7 | 231616101 |
oct | 66203577 |
9 | 28677540 |
10 | 14223231 |
11 | 8035140 |
12 | 491b053 |
13 | 2c3cc19 |
14 | 1c63571 |
15 | 13ae456 |
hex | d9077f |
14223231 has 12 divisors (see below), whose sum is σ = 22412520. Its totient is φ = 8620080.
The previous prime is 14223227. The next prime is 14223257. The reversal of 14223231 is 13232241.
It is not a de Polignac number, because 14223231 - 22 = 14223227 is a prime.
It is a super-2 number, since 2×142232312 = 404600600158722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14223031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71736 + ... + 71933.
It is an arithmetic number, because the mean of its divisors is an integer number (1867710).
Almost surely, 214223231 is an apocalyptic number.
14223231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
14223231 is a deficient number, since it is larger than the sum of its proper divisors (8189289).
14223231 is a wasteful number, since it uses less digits than its factorization.
14223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143686 (or 143683 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 14223231 is about 3771.3699102581. The cubic root of 14223231 is about 242.2884739220.
Adding to 14223231 its reverse (13232241), we get a palindrome (27455472).
The spelling of 14223231 in words is "fourteen million, two hundred twenty-three thousand, two hundred thirty-one".
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