Base | Representation |
---|---|
bin | 110001111011… |
… | …001010010110 |
3 | 220121220111212 |
4 | 301323022112 |
5 | 11322244012 |
6 | 1144301422 |
7 | 216145430 |
oct | 61731226 |
9 | 26556455 |
10 | 13087382 |
11 | 7429820 |
12 | 4471872 |
13 | 2932c19 |
14 | 1a49650 |
15 | 1237b22 |
hex | c7b296 |
13087382 has 32 divisors (see below), whose sum is σ = 25920000. Its totient is φ = 4798080.
The previous prime is 13087379. The next prime is 13087387. The reversal of 13087382 is 28378031.
It is a super-2 number, since 2×130873822 = 342559135227848, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13087387) 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 15 ways as a sum of consecutive naturals, for example, 119 + ... + 5117.
It is an arithmetic number, because the mean of its divisors is an integer number (810000).
Almost surely, 213087382 is an apocalyptic number.
13087382 is a deficient number, since it is larger than the sum of its proper divisors (12832618).
13087382 is a wasteful number, since it uses less digits than its factorization.
13087382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5036.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 13087382 is about 3617.6486838829. The cubic root of 13087382 is about 235.6591243698.
The spelling of 13087382 in words is "thirteen million, eighty-seven thousand, three hundred eighty-two".
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