Base | Representation |
---|---|
bin | 110010100001… |
… | …101100101011 |
3 | 220220221000222 |
4 | 302201230223 |
5 | 11342321402 |
6 | 1151520255 |
7 | 220403552 |
oct | 62415453 |
9 | 26827028 |
10 | 13245227 |
11 | 7527376 |
12 | 452908b |
13 | 2989a18 |
14 | 1a8ad99 |
15 | 12697a2 |
hex | ca1b2b |
13245227 has 4 divisors (see below), whose sum is σ = 14024376. Its totient is φ = 12466080.
The previous prime is 13245203. The next prime is 13245233. The reversal of 13245227 is 72254231.
13245227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72254231 = 7 ⋅10322033.
It is a cyclic number.
It is not a de Polignac number, because 13245227 - 28 = 13244971 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13245196 and 13245205.
It is not an unprimeable number, because it can be changed into a prime (13248227) 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, 389549 + ... + 389582.
It is an arithmetic number, because the mean of its divisors is an integer number (3506094).
Almost surely, 213245227 is an apocalyptic number.
13245227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
13245227 is a deficient number, since it is larger than the sum of its proper divisors (779149).
13245227 is an equidigital number, since it uses as much as digits as its factorization.
13245227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779148.
The product of its digits is 3360, while the sum is 26.
The square root of 13245227 is about 3639.3992636148. The cubic root of 13245227 is about 236.6027575458.
Adding to 13245227 its reverse (72254231), we get a palindrome (85499458).
The spelling of 13245227 in words is "thirteen million, two hundred forty-five thousand, two hundred twenty-seven".
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