Base | Representation |
---|---|
bin | 1011000000010101111001 |
3 | 12102120110022 |
4 | 23000111321 |
5 | 1214304420 |
6 | 141500225 |
7 | 33344015 |
oct | 13002571 |
9 | 5376408 |
10 | 2884985 |
11 | 16a0594 |
12 | b71675 |
13 | 7a01bc |
14 | 551545 |
15 | 3bec25 |
hex | 2c0579 |
2884985 has 8 divisors (see below), whose sum is σ = 3665736. Its totient is φ = 2172160.
The previous prime is 2884967. The next prime is 2884991. The reversal of 2884985 is 5894882.
It can be written as a sum of positive squares in 4 ways, for example, as 583696 + 2301289 = 764^2 + 1517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2884985 - 216 = 2819449 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16886 + ... + 17055.
It is an arithmetic number, because the mean of its divisors is an integer number (458217).
22884985 is an apocalyptic number.
It is an amenable number.
2884985 is a deficient number, since it is larger than the sum of its proper divisors (780751).
2884985 is a wasteful number, since it uses less digits than its factorization.
2884985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33963.
The product of its digits is 184320, while the sum is 44.
The square root of 2884985 is about 1698.5243595545. The cubic root of 2884985 is about 142.3577733494.
The spelling of 2884985 in words is "two million, eight hundred eighty-four thousand, nine hundred eighty-five".
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