Base | Representation |
---|---|
bin | 110101101011… |
… | …100110010101 |
3 | 222110221110002 |
4 | 311223212111 |
5 | 12100302323 |
6 | 1221341045 |
7 | 230416601 |
oct | 65534625 |
9 | 28427402 |
10 | 14072213 |
11 | 7a41731 |
12 | 4867785 |
13 | 2bb926c |
14 | 1c24501 |
15 | 137e828 |
hex | d6b995 |
14072213 has 4 divisors (see below), whose sum is σ = 14089068. Its totient is φ = 14055360.
The previous prime is 14072203. The next prime is 14072237. The reversal of 14072213 is 31227041.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 7711729 = 2522^2 + 2777^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-14072213 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14072203) 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, 7106 + ... + 8867.
It is an arithmetic number, because the mean of its divisors is an integer number (3522267).
Almost surely, 214072213 is an apocalyptic number.
It is an amenable number.
14072213 is a deficient number, since it is larger than the sum of its proper divisors (16855).
14072213 is an equidigital number, since it uses as much as digits as its factorization.
14072213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16854.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 14072213 is about 3751.2948431175. The cubic root of 14072213 is about 241.4279055003.
Adding to 14072213 its reverse (31227041), we get a palindrome (45299254).
The spelling of 14072213 in words is "fourteen million, seventy-two thousand, two hundred thirteen".
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