Base | Representation |
---|---|
bin | 110010100101… |
… | …100011111111 |
3 | 220221201202012 |
4 | 302211203333 |
5 | 11343323210 |
6 | 1152121435 |
7 | 220500653 |
oct | 62454377 |
9 | 26851665 |
10 | 13261055 |
11 | 7538255 |
12 | 453627b |
13 | 2993ca2 |
14 | 1a92a63 |
15 | 126e305 |
hex | ca58ff |
13261055 has 8 divisors (see below), whose sum is σ = 15995232. Its totient is φ = 10554208.
The previous prime is 13261051. The next prime is 13261063. The reversal of 13261055 is 55016231.
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 13261055 - 22 = 13261051 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13261055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13261051) 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, 5747 + ... + 7716.
It is an arithmetic number, because the mean of its divisors is an integer number (1999404).
Almost surely, 213261055 is an apocalyptic number.
13261055 is a deficient number, since it is larger than the sum of its proper divisors (2734177).
13261055 is a wasteful number, since it uses less digits than its factorization.
13261055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13665.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 13261055 is about 3641.5731490662. The cubic root of 13261055 is about 236.6969665189.
Adding to 13261055 its reverse (55016231), we get a palindrome (68277286).
The spelling of 13261055 in words is "thirteen million, two hundred sixty-one thousand, fifty-five".
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