Base | Representation |
---|---|
bin | 111111101011001000101 |
3 | 10221000002122 |
4 | 13331121011 |
5 | 1013231334 |
6 | 112415325 |
7 | 23510000 |
oct | 7753105 |
9 | 3830078 |
10 | 2086469 |
11 | 11a5660 |
12 | 847545 |
13 | 5808c8 |
14 | 3c4537 |
15 | 2b332e |
hex | 1fd645 |
2086469 has 20 divisors (see below), whose sum is σ = 2688960. Its totient is φ = 1605240.
The previous prime is 2086459. The next prime is 2086481. The reversal of 2086469 is 9646802.
It is not a de Polignac number, because 2086469 - 28 = 2086213 is a prime.
It is a super-2 number, since 2×20864692 = 8706705775922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2086439) 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 19 ways as a sum of consecutive naturals, for example, 26372 + ... + 26450.
It is an arithmetic number, because the mean of its divisors is an integer number (134448).
22086469 is an apocalyptic number.
It is an amenable number.
2086469 is a deficient number, since it is larger than the sum of its proper divisors (602491).
2086469 is an frugal number, since it uses more digits than its factorization.
2086469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118 (or 97 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 2086469 is about 1444.4614913524. The cubic root of 2086469 is about 127.7822837030.
The spelling of 2086469 in words is "two million, eighty-six thousand, four hundred sixty-nine".
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