Base | Representation |
---|---|
bin | 1100100111001… |
… | …11011110101101 |
3 | 21101002111012011 |
4 | 12103213132231 |
5 | 204041240431 |
6 | 14255441221 |
7 | 2423222356 |
oct | 623473655 |
9 | 241074164 |
10 | 105805741 |
11 | 547a7468 |
12 | 2b526211 |
13 | 18bc7262 |
14 | 100a2d2d |
15 | 944ecb1 |
hex | 64e77ad |
105805741 has 2 divisors, whose sum is σ = 105805742. Its totient is φ = 105805740.
The previous prime is 105805709. The next prime is 105805747. The reversal of 105805741 is 147508501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 60512841 + 45292900 = 7779^2 + 6730^2 .
It is a cyclic number.
It is not a de Polignac number, because 105805741 - 25 = 105805709 is a prime.
It is a super-2 number, since 2×1058057412 = 22389709657118162, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105805747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52902870 + 52902871.
It is an arithmetic number, because the mean of its divisors is an integer number (52902871).
Almost surely, 2105805741 is an apocalyptic number.
It is an amenable number.
105805741 is a deficient number, since it is larger than the sum of its proper divisors (1).
105805741 is an equidigital number, since it uses as much as digits as its factorization.
105805741 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5600, while the sum is 31.
The square root of 105805741 is about 10286.1917637190. The cubic root of 105805741 is about 472.9730670748.
The spelling of 105805741 in words is "one hundred five million, eight hundred five thousand, seven hundred forty-one".
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