Base | Representation |
---|---|
bin | 110010011100… |
… | …001000100001 |
3 | 220212202202202 |
4 | 302130020201 |
5 | 11341104213 |
6 | 1151222545 |
7 | 220250240 |
oct | 62341041 |
9 | 26782682 |
10 | 13222433 |
11 | 7511234 |
12 | 4517a55 |
13 | 297c533 |
14 | 1a82957 |
15 | 1262b58 |
hex | c9c221 |
13222433 has 4 divisors (see below), whose sum is σ = 15111360. Its totient is φ = 11333508.
The previous prime is 13222427. The next prime is 13222439. The reversal of 13222433 is 33422231.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (13222427) and next prime (13222439).
It is a cyclic number.
It is not a de Polignac number, because 13222433 - 218 = 12960289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13222439) 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, 944453 + ... + 944466.
It is an arithmetic number, because the mean of its divisors is an integer number (3777840).
Almost surely, 213222433 is an apocalyptic number.
It is an amenable number.
13222433 is a deficient number, since it is larger than the sum of its proper divisors (1888927).
13222433 is an equidigital number, since it uses as much as digits as its factorization.
13222433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1888926.
The product of its digits is 864, while the sum is 20.
The square root of 13222433 is about 3636.2663543805. The cubic root of 13222433 is about 236.4669546655.
Adding to 13222433 its reverse (33422231), we get a palindrome (46644664).
The spelling of 13222433 in words is "thirteen million, two hundred twenty-two thousand, four hundred thirty-three".
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