Base | Representation |
---|---|
bin | 110010100011… |
… | …100000100011 |
3 | 220221022012122 |
4 | 302203200203 |
5 | 11343041033 |
6 | 1152014455 |
7 | 220434305 |
oct | 62434043 |
9 | 26838178 |
10 | 13252643 |
11 | 75319a8 |
12 | 453142b |
13 | 2990201 |
14 | 1a8d975 |
15 | 126ba98 |
hex | ca3823 |
13252643 has 8 divisors (see below), whose sum is σ = 13618176. Its totient is φ = 12889800.
The previous prime is 13252627. The next prime is 13252661. The reversal of 13252643 is 34625231.
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 13252643 - 24 = 13252627 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13252663) 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, 12878 + ... + 13868.
It is an arithmetic number, because the mean of its divisors is an integer number (1702272).
Almost surely, 213252643 is an apocalyptic number.
13252643 is a deficient number, since it is larger than the sum of its proper divisors (365533).
13252643 is an equidigital number, since it uses as much as digits as its factorization.
13252643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1345.
The product of its digits is 4320, while the sum is 26.
The square root of 13252643 is about 3640.4179705083. The cubic root of 13252643 is about 236.6469072529.
Adding to 13252643 its reverse (34625231), we get a palindrome (47877874).
The spelling of 13252643 in words is "thirteen million, two hundred fifty-two thousand, six hundred forty-three".
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