Base | Representation |
---|---|
bin | 110100110010… |
… | …100110000011 |
3 | 222001002011022 |
4 | 310302212003 |
5 | 12020314343 |
6 | 1212340055 |
7 | 225425063 |
oct | 64624603 |
9 | 28032138 |
10 | 13838723 |
11 | 78a2268 |
12 | 477462b |
13 | 2b36bc2 |
14 | 1ba33a3 |
15 | 1335568 |
hex | d32983 |
13838723 has 2 divisors, whose sum is σ = 13838724. Its totient is φ = 13838722.
The previous prime is 13838687. The next prime is 13838743. The reversal of 13838723 is 32783831.
It is a strong prime.
It is an emirp because it is prime and its reverse (32783831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13838723 - 210 = 13837699 is a prime.
It is a plaindrome in base 15.
It is not a weakly prime, because it can be changed into another prime (13838743) 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 as a sum of consecutive naturals, namely, 6919361 + 6919362.
It is an arithmetic number, because the mean of its divisors is an integer number (6919362).
Almost surely, 213838723 is an apocalyptic number.
13838723 is a deficient number, since it is larger than the sum of its proper divisors (1).
13838723 is an equidigital number, since it uses as much as digits as its factorization.
13838723 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 24192, while the sum is 35.
The square root of 13838723 is about 3720.0434137252. The cubic root of 13838723 is about 240.0851723164.
The spelling of 13838723 in words is "thirteen million, eight hundred thirty-eight thousand, seven hundred twenty-three".
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