Base | Representation |
---|---|
bin | 1010110111110101100001 |
3 | 12100210122221 |
4 | 22313311201 |
5 | 1212201040 |
6 | 141031041 |
7 | 33140314 |
oct | 12676541 |
9 | 5323587 |
10 | 2850145 |
11 | 16773a1 |
12 | b55481 |
13 | 78a39c |
14 | 54297b |
15 | 3b474a |
hex | 2b7d61 |
2850145 has 4 divisors (see below), whose sum is σ = 3420180. Its totient is φ = 2280112.
The previous prime is 2850097. The next prime is 2850157. The reversal of 2850145 is 5410582.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5410582 = 2 ⋅2705291.
It can be written as a sum of positive squares in 2 ways, for example, as 2274064 + 576081 = 1508^2 + 759^2 .
It is a cyclic number.
It is not a de Polignac number, because 2850145 - 29 = 2849633 is a prime.
It is an unprimeable number.
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, 285010 + ... + 285019.
It is an arithmetic number, because the mean of its divisors is an integer number (855045).
22850145 is an apocalyptic number.
It is an amenable number.
2850145 is a deficient number, since it is larger than the sum of its proper divisors (570035).
2850145 is an equidigital number, since it uses as much as digits as its factorization.
2850145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 570034.
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 2850145 is about 1688.2372463608. The cubic root of 2850145 is about 141.7823983170.
The spelling of 2850145 in words is "two million, eight hundred fifty thousand, one hundred forty-five".
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