Base | Representation |
---|---|
bin | 110010011110… |
… | …000010000011 |
3 | 220220011102211 |
4 | 302132002003 |
5 | 11341331321 |
6 | 1151322551 |
7 | 220312021 |
oct | 62360203 |
9 | 26804384 |
10 | 13230211 |
11 | 7517065 |
12 | 4520457 |
13 | 2982c37 |
14 | 1a85711 |
15 | 12650e1 |
hex | c9e083 |
13230211 has 8 divisors (see below), whose sum is σ = 13851648. Its totient is φ = 12621000.
The previous prime is 13230179. The next prime is 13230223. The reversal of 13230211 is 11203231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13230211 - 25 = 13230179 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13230191 and 13230200.
It is not an unprimeable number, because it can be changed into a prime (13230271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805 + ... + 5206.
It is an arithmetic number, because the mean of its divisors is an integer number (1731456).
Almost surely, 213230211 is an apocalyptic number.
13230211 is a deficient number, since it is larger than the sum of its proper divisors (621437).
13230211 is an equidigital number, since it uses as much as digits as its factorization.
13230211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6113.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 13230211 is about 3637.3357007568. The cubic root of 13230211 is about 236.5133122320.
Adding to 13230211 its reverse (11203231), we get a palindrome (24433442).
The spelling of 13230211 in words is "thirteen million, two hundred thirty thousand, two hundred eleven".
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