Base | Representation |
---|---|
bin | 10111101101010101001010 |
3 | 102200202100200 |
4 | 113231111022 |
5 | 3042334421 |
6 | 341113030 |
7 | 103553331 |
oct | 27552512 |
9 | 12622320 |
10 | 6214986 |
11 | 3565458 |
12 | 20b8776 |
13 | 1397b0b |
14 | b7ad18 |
15 | 82b726 |
hex | 5ed54a |
6214986 has 24 divisors (see below), whose sum is σ = 13543140. Its totient is φ = 2059776.
The previous prime is 6214981. The next prime is 6214993. The reversal of 6214986 is 6894126.
It can be written as a sum of positive squares in 2 ways, for example, as 6095961 + 119025 = 2469^2 + 345^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 6214986.
It is not an unprimeable number, because it can be changed into a prime (6214981) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 2580 + ... + 4368.
Almost surely, 26214986 is an apocalyptic number.
6214986 is an abundant number, since it is smaller than the sum of its proper divisors (7328154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6214986 is a wasteful number, since it uses less digits than its factorization.
6214986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1990 (or 1987 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 6214986 is about 2492.9873645889. The cubic root of 6214986 is about 183.8569500945.
The spelling of 6214986 in words is "six million, two hundred fourteen thousand, nine hundred eighty-six".
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