Base | Representation |
---|---|
bin | 110101111100… |
… | …111100001011 |
3 | 222121112212211 |
4 | 311330330023 |
5 | 12110040433 |
6 | 1223045551 |
7 | 231133642 |
oct | 65747413 |
9 | 28545784 |
10 | 14143243 |
11 | 7a90034 |
12 | 48a08b7 |
13 | 2c126aa |
14 | 1c42359 |
15 | 13958cd |
hex | d7cf0b |
14143243 has 4 divisors (see below), whose sum is σ = 14156568. Its totient is φ = 14129920.
The previous prime is 14143187. The next prime is 14143249. The reversal of 14143243 is 34234141.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-14143243 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14143249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4918 + ... + 7243.
It is an arithmetic number, because the mean of its divisors is an integer number (3539142).
Almost surely, 214143243 is an apocalyptic number.
14143243 is a deficient number, since it is larger than the sum of its proper divisors (13325).
14143243 is a wasteful number, since it uses less digits than its factorization.
14143243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13324.
The product of its digits is 1152, while the sum is 22.
The square root of 14143243 is about 3760.7503240710. The cubic root of 14143243 is about 241.8334293034.
Subtracting from 14143243 its sum of digits (22), we obtain a triangular number (14143221 = T5318).
Adding to 14143243 its reverse (34234141), we get a palindrome (48377384).
The spelling of 14143243 in words is "fourteen million, one hundred forty-three thousand, two hundred forty-three".
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