Base | Representation |
---|---|
bin | 110011111101… |
… | …110010101001 |
3 | 221122002110212 |
4 | 303331302221 |
5 | 11441404231 |
6 | 1203550505 |
7 | 223534400 |
oct | 63756251 |
9 | 27562425 |
10 | 13622441 |
11 | 7764818 |
12 | 468b435 |
13 | 2a8c621 |
14 | 1b48637 |
15 | 12e142b |
hex | cfdca9 |
13622441 has 12 divisors (see below), whose sum is σ = 15914628. Its totient is φ = 11626272.
The previous prime is 13622383. The next prime is 13622447. The reversal of 13622441 is 14422631.
It can be written as a sum of positive squares in 2 ways, for example, as 5664400 + 7958041 = 2380^2 + 2821^2 .
It is not a de Polignac number, because 13622441 - 26 = 13622377 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13622447) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15095 + ... + 15971.
It is an arithmetic number, because the mean of its divisors is an integer number (1326219).
Almost surely, 213622441 is an apocalyptic number.
It is an amenable number.
13622441 is a deficient number, since it is larger than the sum of its proper divisors (2292187).
13622441 is an equidigital number, since it uses as much as digits as its factorization.
13622441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1208 (or 1201 counting only the distinct ones).
The product of its digits is 1152, while the sum is 23.
The square root of 13622441 is about 3690.8591140817. The cubic root of 13622441 is about 238.8278552409.
The spelling of 13622441 in words is "thirteen million, six hundred twenty-two thousand, four hundred forty-one".
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