Base | Representation |
---|---|
bin | 110010101001… |
… | …110000000110 |
3 | 220222121021201 |
4 | 302221300012 |
5 | 11344400324 |
6 | 1152333114 |
7 | 220601665 |
oct | 62516006 |
9 | 26877251 |
10 | 13278214 |
11 | 754a134 |
12 | 454419a |
13 | 299ba41 |
14 | 1a98ddc |
15 | 1274444 |
hex | ca9c06 |
13278214 has 4 divisors (see below), whose sum is σ = 19917324. Its totient is φ = 6639106.
The previous prime is 13278163. The next prime is 13278217. The reversal of 13278214 is 41287231.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13278217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3319552 + ... + 3319555.
It is an arithmetic number, because the mean of its divisors is an integer number (4979331).
Almost surely, 213278214 is an apocalyptic number.
13278214 is a deficient number, since it is larger than the sum of its proper divisors (6639110).
13278214 is an equidigital number, since it uses as much as digits as its factorization.
13278214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6639109.
The product of its digits is 2688, while the sum is 28.
The square root of 13278214 is about 3643.9283747077. The cubic root of 13278214 is about 236.7990130186.
The spelling of 13278214 in words is "thirteen million, two hundred seventy-eight thousand, two hundred fourteen".
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