Base | Representation |
---|---|
bin | 1010100111111100010010 |
3 | 12020111100201 |
4 | 22213330102 |
5 | 1203110132 |
6 | 135405414 |
7 | 32446441 |
oct | 12477422 |
9 | 5214321 |
10 | 2785042 |
11 | 1632497 |
12 | b2386a |
13 | 766870 |
14 | 526d58 |
15 | 3a02e7 |
hex | 2a7f12 |
2785042 has 16 divisors (see below), whose sum is σ = 4764312. Its totient is φ = 1209600.
The previous prime is 2785037. The next prime is 2785043. The reversal of 2785042 is 2405872.
It can be written as a sum of positive squares in 4 ways, for example, as 2399401 + 385641 = 1549^2 + 621^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2785042.
It is not an unprimeable number, because it can be changed into a prime (2785043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709 + ... + 3592.
22785042 is an apocalyptic number.
2785042 is a deficient number, since it is larger than the sum of its proper divisors (1979270).
2785042 is a wasteful number, since it uses less digits than its factorization.
2785042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6333.
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 2785042 is about 1668.8445104323. The cubic root of 2785042 is about 140.6945418679.
The spelling of 2785042 in words is "two million, seven hundred eighty-five thousand, forty-two".
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