Base | Representation |
---|---|
bin | 110011011011… |
… | …010111100001 |
3 | 221100221001122 |
4 | 303123113201 |
5 | 11422401231 |
6 | 1200542025 |
7 | 222406331 |
oct | 63332741 |
9 | 27327048 |
10 | 13481441 |
11 | 7678896 |
12 | 4621915 |
13 | 2a403ac |
14 | 1b0d0c1 |
15 | 12b477b |
hex | cdb5e1 |
13481441 has 8 divisors (see below), whose sum is σ = 13880160. Its totient is φ = 13088512.
The previous prime is 13481417. The next prime is 13481443. The reversal of 13481441 is 14418431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13481441 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13481441.
It is not an unprimeable number, because it can be changed into a prime (13481443) 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, 3521 + ... + 6273.
It is an arithmetic number, because the mean of its divisors is an integer number (1735020).
Almost surely, 213481441 is an apocalyptic number.
It is an amenable number.
13481441 is a deficient number, since it is larger than the sum of its proper divisors (398719).
13481441 is an equidigital number, since it uses as much as digits as its factorization.
13481441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2895.
The product of its digits is 1536, while the sum is 26.
The square root of 13481441 is about 3671.7081855725. The cubic root of 13481441 is about 238.0009945113. Note that the first 3 decimals are identical.
Adding to 13481441 its reverse (14418431), we get a palindrome (27899872).
The spelling of 13481441 in words is "thirteen million, four hundred eighty-one thousand, four hundred forty-one".
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