Base | Representation |
---|---|
bin | 1010110101111010011001 |
3 | 12100101212002 |
4 | 22311322121 |
5 | 1211423030 |
6 | 140530345 |
7 | 33105326 |
oct | 12657231 |
9 | 5311762 |
10 | 2842265 |
11 | 1671488 |
12 | b509b5 |
13 | 78691a |
14 | 53db4d |
15 | 3b2245 |
hex | 2b5e99 |
2842265 has 4 divisors (see below), whose sum is σ = 3410724. Its totient is φ = 2273808.
The previous prime is 2842253. The next prime is 2842283. The reversal of 2842265 is 5622482.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5622482 = 2 ⋅2811241.
It can be written as a sum of positive squares in 2 ways, for example, as 2155024 + 687241 = 1468^2 + 829^2 .
It is a cyclic number.
It is not a de Polignac number, because 2842265 - 212 = 2838169 is a prime.
It is a d-powerful number, because it can be written as 27 + 85 + 42 + 216 + 220 + 68 + 56 .
It is a Duffinian number.
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, 284222 + ... + 284231.
It is an arithmetic number, because the mean of its divisors is an integer number (852681).
22842265 is an apocalyptic number.
It is an amenable number.
2842265 is a deficient number, since it is larger than the sum of its proper divisors (568459).
2842265 is an equidigital number, since it uses as much as digits as its factorization.
2842265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568458.
The product of its digits is 7680, while the sum is 29.
The square root of 2842265 is about 1685.9018358137. The cubic root of 2842265 is about 141.6516123949.
It can be divided in two parts, 2 and 842265, that multiplied together give a triangular number (1684530 = T1835).
The spelling of 2842265 in words is "two million, eight hundred forty-two thousand, two hundred sixty-five".
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