Base | Representation |
---|---|
bin | 10111001000111… |
… | …00101100101001 |
3 | 111112020111202221 |
4 | 23210130230221 |
5 | 344142312410 |
6 | 31132154041 |
7 | 4544600116 |
oct | 1344345451 |
9 | 445214687 |
10 | 194104105 |
11 | 9a626318 |
12 | 55008921 |
13 | 312a1800 |
14 | 1bac990d |
15 | 120924da |
hex | b91cb29 |
194104105 has 36 divisors (see below), whose sum is σ = 263882340. Its totient is φ = 136840704.
The previous prime is 194104103. The next prime is 194104111. The reversal of 194104105 is 501401491.
194104105 is digitally balanced in base 2, 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 18 ways, for example, as 194100624 + 3481 = 13932^2 + 59^2 .
It is not a de Polignac number, because 194104105 - 21 = 194104103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 194104105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194104103) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2180901 + ... + 2180989.
It is an arithmetic number, because the mean of its divisors is an integer number (7330065).
Almost surely, 2194104105 is an apocalyptic number.
194104105 is the 9852-nd centered square number.
It is an amenable number.
194104105 is a deficient number, since it is larger than the sum of its proper divisors (69778235).
194104105 is an equidigital number, since it uses as much as digits as its factorization.
194104105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238 (or 136 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 25.
The square root of 194104105 is about 13932.1249276627. The cubic root of 194104105 is about 578.9995684693. Note that the first 3 decimals are identical.
Adding to 194104105 its reverse (501401491), we get a palindrome (695505596).
It can be divided in two parts, 194104 and 105, that multiplied together give a triangular number (20380920 = T6384).
The spelling of 194104105 in words is "one hundred ninety-four million, one hundred four thousand, one hundred five".
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