Base | Representation |
---|---|
bin | 110101001100… |
… | …010110101101 |
3 | 222020102220020 |
4 | 311030112231 |
5 | 12032203422 |
6 | 1214512353 |
7 | 226344516 |
oct | 65142655 |
9 | 28212806 |
10 | 13944237 |
11 | 796456a |
12 | 48056b9 |
13 | 2b72c38 |
14 | 1bcda0d |
15 | 135695c |
hex | d4c5ad |
13944237 has 8 divisors (see below), whose sum is σ = 18907680. Its totient is φ = 9138480.
The previous prime is 13944221. The next prime is 13944257. The reversal of 13944237 is 73244931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13944237 - 24 = 13944221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13944198 and 13944207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13944257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39214 + ... + 39567.
It is an arithmetic number, because the mean of its divisors is an integer number (2363460).
Almost surely, 213944237 is an apocalyptic number.
It is an amenable number.
13944237 is a deficient number, since it is larger than the sum of its proper divisors (4963443).
13944237 is an equidigital number, since it uses as much as digits as its factorization.
13944237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78843.
The product of its digits is 18144, while the sum is 33.
The square root of 13944237 is about 3734.1983075354. The cubic root of 13944237 is about 240.6938083311.
The spelling of 13944237 in words is "thirteen million, nine hundred forty-four thousand, two hundred thirty-seven".
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