Base | Representation |
---|---|
bin | 10111110101111… |
… | …00011001010001 |
3 | 111221100002221100 |
4 | 23322330121101 |
5 | 402200013410 |
6 | 31502415013 |
7 | 4645660413 |
oct | 1372743121 |
9 | 457302840 |
10 | 200001105 |
11 | a2993877 |
12 | 56b91469 |
13 | 32587965 |
14 | 1c7c29b3 |
15 | 128598c0 |
hex | bebc651 |
200001105 has 12 divisors (see below), whose sum is σ = 346668660. Its totient is φ = 106667232.
The previous prime is 200001103. The next prime is 200001143. The reversal of 200001105 is 501100002.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 33281361 + 166719744 = 5769^2 + 12912^2 .
It is not a de Polignac number, because 200001105 - 21 = 200001103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (200001103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2222190 + ... + 2222279.
It is an arithmetic number, because the mean of its divisors is an integer number (28889055).
Almost surely, 2200001105 is an apocalyptic number.
It is an amenable number.
200001105 is a deficient number, since it is larger than the sum of its proper divisors (146667555).
200001105 is a wasteful number, since it uses less digits than its factorization.
200001105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4444480 (or 4444477 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 9.
The square root of 200001105 is about 14142.1746913266. The cubic root of 200001105 is about 584.8046246538.
Adding to 200001105 its reverse (501100002), we get a palindrome (701101107).
The spelling of 200001105 in words is "two hundred million, one thousand, one hundred five".
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