Base | Representation |
---|---|
bin | 101100101011… |
… | …110100001101 |
3 | 211001010022122 |
4 | 230223310031 |
5 | 10444320210 |
6 | 1055022325 |
7 | 201365015 |
oct | 54536415 |
9 | 24033278 |
10 | 11713805 |
11 | 6680834 |
12 | 3b0a9a5 |
13 | 257195c |
14 | 17acc45 |
15 | 1065b55 |
hex | b2bd0d |
11713805 has 8 divisors (see below), whose sum is σ = 14116344. Its totient is φ = 9331200.
The previous prime is 11713781. The next prime is 11713813. The reversal of 11713805 is 50831711.
11713805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 228484 + 11485321 = 478^2 + 3389^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11713805 - 216 = 11648269 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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, 3656 + ... + 6065.
It is an arithmetic number, because the mean of its divisors is an integer number (1764543).
Almost surely, 211713805 is an apocalyptic number.
It is an amenable number.
11713805 is a deficient number, since it is larger than the sum of its proper divisors (2402539).
11713805 is an equidigital number, since it uses as much as digits as its factorization.
11713805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9967.
The product of its (nonzero) digits is 840, while the sum is 26.
The square root of 11713805 is about 3422.5436447181. The cubic root of 11713805 is about 227.1081205910.
The spelling of 11713805 in words is "eleven million, seven hundred thirteen thousand, eight hundred five".
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