Base | Representation |
---|---|
bin | 110010100111… |
… | …100000001101 |
3 | 220222010122122 |
4 | 302213200031 |
5 | 11344102010 |
6 | 1152222325 |
7 | 220533101 |
oct | 62474015 |
9 | 26863578 |
10 | 13269005 |
11 | 7543222 |
12 | 453a9a5 |
13 | 29977a9 |
14 | 1a95901 |
15 | 1271855 |
hex | ca780d |
13269005 has 4 divisors (see below), whose sum is σ = 15922812. Its totient is φ = 10615200.
The previous prime is 13269001. The next prime is 13269017. The reversal of 13269005 is 50096231.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1885129 + 11383876 = 1373^2 + 3374^2 .
It is not a de Polignac number, because 13269005 - 22 = 13269001 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13269001) 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 3 ways as a sum of consecutive naturals, for example, 1326896 + ... + 1326905.
It is an arithmetic number, because the mean of its divisors is an integer number (3980703).
Almost surely, 213269005 is an apocalyptic number.
It is an amenable number.
13269005 is a deficient number, since it is larger than the sum of its proper divisors (2653807).
13269005 is an equidigital number, since it uses as much as digits as its factorization.
13269005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2653806.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 13269005 is about 3642.6645467295. The cubic root of 13269005 is about 236.7442569991.
The spelling of 13269005 in words is "thirteen million, two hundred sixty-nine thousand, five".
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