Base | Representation |
---|---|
bin | 1010101000011100… |
… | …1110111101001001 |
3 | 21100220100101112000 |
4 | 2222013032331021 |
5 | 21321112213420 |
6 | 1151111341213 |
7 | 130503536502 |
oct | 25207167511 |
9 | 7326311460 |
10 | 2854022985 |
11 | 1235026790 |
12 | 677981809 |
13 | 3663937c8 |
14 | 1d1087ba9 |
15 | 11a85b690 |
hex | aa1cef49 |
2854022985 has 128 divisors (see below), whose sum is σ = 5912248320. Its totient is φ = 1290931200.
The previous prime is 2854022981. The next prime is 2854022987. The reversal of 2854022985 is 5892204582.
2854022985 is a `hidden beast` number, since 2 + 8 + 540 + 2 + 29 + 85 = 666.
It is not a de Polignac number, because 2854022985 - 22 = 2854022981 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2854022985.
It is not an unprimeable number, because it can be changed into a prime (2854022981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3306664 + ... + 3307526.
It is an arithmetic number, because the mean of its divisors is an integer number (46189440).
Almost surely, 22854022985 is an apocalyptic number.
It is an amenable number.
2854022985 is an abundant number, since it is smaller than the sum of its proper divisors (3058225335).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2854022985 is a wasteful number, since it uses less digits than its factorization.
2854022985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1036 (or 1030 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 45.
The square root of 2854022985 is about 53423.0566796772. The cubic root of 2854022985 is about 1418.4667350666.
The spelling of 2854022985 in words is "two billion, eight hundred fifty-four million, twenty-two thousand, nine hundred eighty-five".
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