Base | Representation |
---|---|
bin | 101011011100… |
… | …000000010001 |
3 | 210102111212221 |
4 | 223130000101 |
5 | 10403340042 |
6 | 1044021041 |
7 | 165533644 |
oct | 53340021 |
9 | 23374787 |
10 | 11386897 |
11 | 6478165 |
12 | 3991781 |
13 | 2488c12 |
14 | 1725a5b |
15 | eedd67 |
hex | adc011 |
11386897 has 4 divisors (see below), whose sum is σ = 11487780. Its totient is φ = 11286016.
The previous prime is 11386883. The next prime is 11386901. The reversal of 11386897 is 79868311.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79868311 = 37 ⋅2158603.
It can be written as a sum of positive squares in 2 ways, for example, as 3326976 + 8059921 = 1824^2 + 2839^2 .
It is a cyclic number.
It is not a de Polignac number, because 11386897 - 215 = 11354129 is a prime.
It is a super-2 number, since 2×113868972 = 259322846577218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11386867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50272 + ... + 50497.
It is an arithmetic number, because the mean of its divisors is an integer number (2871945).
Almost surely, 211386897 is an apocalyptic number.
It is an amenable number.
11386897 is a deficient number, since it is larger than the sum of its proper divisors (100883).
11386897 is a wasteful number, since it uses less digits than its factorization.
11386897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100882.
The product of its digits is 72576, while the sum is 43.
The square root of 11386897 is about 3374.4476585065. The cubic root of 11386897 is about 224.9754508195.
The spelling of 11386897 in words is "eleven million, three hundred eighty-six thousand, eight hundred ninety-seven".
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