Base | Representation |
---|---|
bin | 110010011011… |
… | …100101101001 |
3 | 220212122201002 |
4 | 302123211221 |
5 | 11341021301 |
6 | 1151204345 |
7 | 220240601 |
oct | 62334551 |
9 | 26778632 |
10 | 13220201 |
11 | 750a595 |
12 | 45166b5 |
13 | 297b507 |
14 | 1a81c01 |
15 | 126216b |
hex | c9b969 |
13220201 has 8 divisors (see below), whose sum is σ = 13771200. Its totient is φ = 12675600.
The previous prime is 13220191. The next prime is 13220213. The reversal of 13220201 is 10202231.
It is a happy number.
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 13220201 - 210 = 13219177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13220231) 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, 2870 + ... + 5888.
It is an arithmetic number, because the mean of its divisors is an integer number (1721400).
Almost surely, 213220201 is an apocalyptic number.
It is an amenable number.
13220201 is a deficient number, since it is larger than the sum of its proper divisors (550999).
13220201 is a wasteful number, since it uses less digits than its factorization.
13220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3199.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 13220201 is about 3635.9594332170. The cubic root of 13220201 is about 236.4536483916.
Adding to 13220201 its reverse (10202231), we get a palindrome (23422432).
The spelling of 13220201 in words is "thirteen million, two hundred twenty thousand, two hundred one".
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