Base | Representation |
---|---|
bin | 101011011111… |
… | …011111110101 |
3 | 210110020111212 |
4 | 223133133311 |
5 | 10404314310 |
6 | 1044211205 |
7 | 165623444 |
oct | 53373765 |
9 | 23406455 |
10 | 11401205 |
11 | 6487992 |
12 | 3999b05 |
13 | 249259a |
14 | 172ad5b |
15 | 1003205 |
hex | adf7f5 |
11401205 has 16 divisors (see below), whose sum is σ = 14396400. Its totient is φ = 8655360.
The previous prime is 11401199. The next prime is 11401207. The reversal of 11401205 is 50210411.
It can be written as a sum of positive squares in 8 ways, for example, as 418609 + 10982596 = 647^2 + 3314^2 .
It is not a de Polignac number, because 11401205 - 26 = 11401141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 11401205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11401207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8201 + ... + 9489.
It is an arithmetic number, because the mean of its divisors is an integer number (899775).
Almost surely, 211401205 is an apocalyptic number.
It is an amenable number.
11401205 is a deficient number, since it is larger than the sum of its proper divisors (2995195).
11401205 is a wasteful number, since it uses less digits than its factorization.
11401205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1384.
The product of its (nonzero) digits is 40, while the sum is 14.
The square root of 11401205 is about 3376.5670436110. The cubic root of 11401205 is about 225.0696409942.
Adding to 11401205 its reverse (50210411), we get a palindrome (61611616).
The spelling of 11401205 in words is "eleven million, four hundred one thousand, two hundred five".
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