Base | Representation |
---|---|
bin | 111101110011011100001 |
3 | 10210220000212 |
4 | 13232123201 |
5 | 1004301220 |
6 | 111223505 |
7 | 23133221 |
oct | 7563341 |
9 | 3726025 |
10 | 2025185 |
11 | 1163608 |
12 | 817b95 |
13 | 55ba46 |
14 | 3aa081 |
15 | 2a00c5 |
hex | 1ee6e1 |
2025185 has 4 divisors (see below), whose sum is σ = 2430228. Its totient is φ = 1620144.
The previous prime is 2025181. The next prime is 2025187. The reversal of 2025185 is 5815202.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5815202 = 2 ⋅2907601.
It can be written as a sum of positive squares in 2 ways, for example, as 707281 + 1317904 = 841^2 + 1148^2 .
It is a cyclic number.
It is not a de Polignac number, because 2025185 - 22 = 2025181 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2025185.
It is not an unprimeable number, because it can be changed into a prime (2025181) 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 3 ways as a sum of consecutive naturals, for example, 202514 + ... + 202523.
It is an arithmetic number, because the mean of its divisors is an integer number (607557).
22025185 is an apocalyptic number.
It is an amenable number.
2025185 is a deficient number, since it is larger than the sum of its proper divisors (405043).
2025185 is an equidigital number, since it uses as much as digits as its factorization.
2025185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405042.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 2025185 is about 1423.0899479653. The cubic root of 2025185 is about 126.5187523951.
The spelling of 2025185 in words is "two million, twenty-five thousand, one hundred eighty-five".
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