Base | Representation |
---|---|
bin | 110011001100… |
… | …111010000101 |
3 | 221020220211000 |
4 | 303030322011 |
5 | 11414002323 |
6 | 1155403513 |
7 | 222041550 |
oct | 63147205 |
9 | 27226730 |
10 | 13422213 |
11 | 7638342 |
12 | 45b3599 |
13 | 2a1c44c |
14 | 1ad5697 |
15 | 12a1e43 |
hex | ccce85 |
13422213 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 7501680.
The previous prime is 13422209. The next prime is 13422221. The reversal of 13422213 is 31222431.
13422213 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13422213 - 22 = 13422209 is a prime.
13422213 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13422223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8128 + ... + 9638.
It is an arithmetic number, because the mean of its divisors is an integer number (725760).
Almost surely, 213422213 is an apocalyptic number.
It is an amenable number.
13422213 is a deficient number, since it is larger than the sum of its proper divisors (9802107).
13422213 is a wasteful number, since it uses less digits than its factorization.
13422213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1574 (or 1568 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 13422213 is about 3663.6338517925. The cubic root of 13422213 is about 237.6519463506.
Adding to 13422213 its reverse (31222431), we get a palindrome (44644644).
The spelling of 13422213 in words is "thirteen million, four hundred twenty-two thousand, two hundred thirteen".
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