Base | Representation |
---|---|
bin | 111101110111010001001 |
3 | 10210222201110 |
4 | 13232322021 |
5 | 1004332040 |
6 | 111240533 |
7 | 23142021 |
oct | 7567211 |
9 | 3728643 |
10 | 2027145 |
11 | 116502a |
12 | 819149 |
13 | 55c8c3 |
14 | 3aaa81 |
15 | 2a0980 |
hex | 1eee89 |
2027145 has 16 divisors (see below), whose sum is σ = 3268800. Its totient is φ = 1072704.
The previous prime is 2027117. The next prime is 2027147. The reversal of 2027145 is 5417202.
It is not a de Polignac number, because 2027145 - 28 = 2026889 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2027147) 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 15 ways as a sum of consecutive naturals, for example, 1782 + ... + 2688.
It is an arithmetic number, because the mean of its divisors is an integer number (204300).
22027145 is an apocalyptic number.
It is an amenable number.
2027145 is a deficient number, since it is larger than the sum of its proper divisors (1241655).
2027145 is a wasteful number, since it uses less digits than its factorization.
2027145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 2027145 is about 1423.7784237725. The cubic root of 2027145 is about 126.5595547249.
The spelling of 2027145 in words is "two million, twenty-seven thousand, one hundred forty-five".
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