Base | Representation |
---|---|
bin | 110001110000… |
… | …101000111111 |
3 | 220112201101202 |
4 | 301300220333 |
5 | 11314404122 |
6 | 1143330115 |
7 | 215605664 |
oct | 61605077 |
9 | 26481352 |
10 | 13044287 |
11 | 73aa403 |
12 | 445093b |
13 | 2919419 |
14 | 1a37a6b |
15 | 1229e92 |
hex | c70a3f |
13044287 has 8 divisors (see below), whose sum is σ = 14288400. Its totient is φ = 11853184.
The previous prime is 13044247. The next prime is 13044293. The reversal of 13044287 is 78244031.
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 13044287 - 26 = 13044223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13044217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737 + ... + 13722.
It is an arithmetic number, because the mean of its divisors is an integer number (1786050).
Almost surely, 213044287 is an apocalyptic number.
13044287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
13044287 is a deficient number, since it is larger than the sum of its proper divisors (1244113).
13044287 is a wasteful number, since it uses less digits than its factorization.
13044287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26505.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 13044287 is about 3611.6875557002. The cubic root of 13044287 is about 235.4001752651.
It can be divided in two parts, 13044 and 287, that added together give a palindrome (13331).
The spelling of 13044287 in words is "thirteen million, forty-four thousand, two hundred eighty-seven".
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