Base | Representation |
---|---|
bin | 101101001001… |
… | …111000111010 |
3 | 211021101021220 |
4 | 231021320322 |
5 | 11012240421 |
6 | 1101412510 |
7 | 202420110 |
oct | 55117072 |
9 | 24241256 |
10 | 11836986 |
11 | 6755337 |
12 | 3b6a136 |
13 | 25b5a45 |
14 | 1801ab0 |
15 | 108c3c6 |
hex | b49e3a |
11836986 has 16 divisors (see below), whose sum is σ = 27056064. Its totient is φ = 3381984.
The previous prime is 11836969. The next prime is 11836991. The reversal of 11836986 is 68963811.
It is a super-2 number, since 2×118369862 = 280228475128392, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 281833 = 11836986 / (1 + 1 + 8 + 3 + 6 + 9 + 8 + 6).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140875 + ... + 140958.
It is an arithmetic number, because the mean of its divisors is an integer number (1691004).
Almost surely, 211836986 is an apocalyptic number.
11836986 is an abundant number, since it is smaller than the sum of its proper divisors (15219078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11836986 is a wasteful number, since it uses less digits than its factorization.
11836986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281845.
The product of its digits is 62208, while the sum is 42.
The square root of 11836986 is about 3440.4921159625. The cubic root of 11836986 is about 227.9014270724.
The spelling of 11836986 in words is "eleven million, eight hundred thirty-six thousand, nine hundred eighty-six".
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