Base | Representation |
---|---|
bin | 110010000011… |
… | …101110001001 |
3 | 220200200121100 |
4 | 302003232021 |
5 | 11324404231 |
6 | 1145132013 |
7 | 216352563 |
oct | 62035611 |
9 | 26620540 |
10 | 13122441 |
11 | 74530a2 |
12 | 448a009 |
13 | 2945b77 |
14 | 1a58333 |
15 | 12431e6 |
hex | c83b89 |
13122441 has 6 divisors (see below), whose sum is σ = 18954650. Its totient is φ = 8748288.
The previous prime is 13122437. The next prime is 13122449. The reversal of 13122441 is 14422131.
It can be written as a sum of positive squares in only one way, i.e., 12638025 + 484416 = 3555^2 + 696^2 .
It is not a de Polignac number, because 13122441 - 22 = 13122437 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13122449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729016 + ... + 729033.
Almost surely, 213122441 is an apocalyptic number.
It is an amenable number.
13122441 is a deficient number, since it is larger than the sum of its proper divisors (5832209).
13122441 is a wasteful number, since it uses less digits than its factorization.
13122441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1458055 (or 1458052 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 13122441 is about 3622.4909937776. The cubic root of 13122441 is about 235.8693677605.
Adding to 13122441 its reverse (14422131), we get a palindrome (27544572).
The spelling of 13122441 in words is "thirteen million, one hundred twenty-two thousand, four hundred forty-one".
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