Base | Representation |
---|---|
bin | 1000100000111111… |
… | …1101101000100101 |
3 | 12220022022001002001 |
4 | 2020033331220211 |
5 | 14140141322424 |
6 | 1014454245301 |
7 | 110434465432 |
oct | 21017755045 |
9 | 5808261061 |
10 | 2285885989 |
11 | a73360a82 |
12 | 539656831 |
13 | 2a5772b7a |
14 | 179836b89 |
15 | d5a34844 |
hex | 883fda25 |
2285885989 has 2 divisors, whose sum is σ = 2285885990. Its totient is φ = 2285885988.
The previous prime is 2285885983. The next prime is 2285886007. The reversal of 2285885989 is 9895885822.
2285885989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1729728100 + 556157889 = 41590^2 + 23583^2 .
It is a cyclic number.
It is not a de Polignac number, because 2285885989 - 29 = 2285885477 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2285885989.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2285885983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142942994 + 1142942995.
It is an arithmetic number, because the mean of its divisors is an integer number (1142942995).
Almost surely, 22285885989 is an apocalyptic number.
It is an amenable number.
2285885989 is a deficient number, since it is larger than the sum of its proper divisors (1).
2285885989 is an equidigital number, since it uses as much as digits as its factorization.
2285885989 is an evil number, because the sum of its binary digits is even.
The product of its digits is 33177600, while the sum is 64.
The square root of 2285885989 is about 47810.9400555982. The cubic root of 2285885989 is about 1317.3004956516.
The spelling of 2285885989 in words is "two billion, two hundred eighty-five million, eight hundred eighty-five thousand, nine hundred eighty-nine".
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