Base | Representation |
---|---|
bin | 1010001111110101001101 |
3 | 12001110220001 |
4 | 22033311031 |
5 | 1141430120 |
6 | 133324301 |
7 | 31555510 |
oct | 12176515 |
9 | 5043801 |
10 | 2686285 |
11 | 1575278 |
12 | a96691 |
13 | 730924 |
14 | 4dcd77 |
15 | 380e0a |
hex | 28fd4d |
2686285 has 32 divisors (see below), whose sum is σ = 3981312. Its totient is φ = 1700160.
The previous prime is 2686283. The next prime is 2686291. The reversal of 2686285 is 5826862.
It is not a de Polignac number, because 2686285 - 21 = 2686283 is a prime.
It is a super-2 number, since 2×26862852 = 14432254202450, which contains 22 as substring.
It is a d-powerful number, because it can be written as 24 + 66 + 86 + 67 + 28 + 87 + 53 .
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2686283) 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 31 ways as a sum of consecutive naturals, for example, 37800 + ... + 37870.
It is an arithmetic number, because the mean of its divisors is an integer number (124416).
22686285 is an apocalyptic number.
It is an amenable number.
2686285 is a deficient number, since it is larger than the sum of its proper divisors (1295027).
2686285 is a wasteful number, since it uses less digits than its factorization.
2686285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153.
The product of its digits is 46080, while the sum is 37.
The square root of 2686285 is about 1638.9890176569. The cubic root of 2686285 is about 139.0114891388.
The spelling of 2686285 in words is "two million, six hundred eighty-six thousand, two hundred eighty-five".
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