Base | Representation |
---|---|
bin | 1000010100111010101001 |
3 | 11002220021101 |
4 | 20110322221 |
5 | 1024322300 |
6 | 114441401 |
7 | 24360631 |
oct | 10247251 |
9 | 4086241 |
10 | 2182825 |
11 | 1260a97 |
12 | 893261 |
13 | 5b5718 |
14 | 40b6c1 |
15 | 2d1b6a |
hex | 214ea9 |
2182825 has 6 divisors (see below), whose sum is σ = 2706734. Its totient is φ = 1746240.
The previous prime is 2182819. The next prime is 2182841. The reversal of 2182825 is 5282812.
It can be written as a sum of positive squares in 3 ways, for example, as 1296 + 2181529 = 36^2 + 1477^2 .
It is a de Polignac number, because none of the positive numbers 2k-2182825 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2182793 and 2182802.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43632 + ... + 43681.
22182825 is an apocalyptic number.
2182825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2182825 is a deficient number, since it is larger than the sum of its proper divisors (523909).
2182825 is an equidigital number, since it uses as much as digits as its factorization.
2182825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87323 (or 87318 counting only the distinct ones).
The product of its digits is 2560, while the sum is 28.
The square root of 2182825 is about 1477.4386620094. The cubic root of 2182825 is about 129.7198107426.
The spelling of 2182825 in words is "two million, one hundred eighty-two thousand, eight hundred twenty-five".
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