Base | Representation |
---|---|
bin | 1010111101110111… |
… | …0010100011100001 |
3 | 21121011022122200021 |
4 | 2233131302203201 |
5 | 22012104301144 |
6 | 1204040153441 |
7 | 132644034400 |
oct | 25735624341 |
9 | 7534278607 |
10 | 2943822049 |
11 | 1280790093 |
12 | 6a1a68881 |
13 | 37bb7514c |
14 | 1dcd81637 |
15 | 123698884 |
hex | af7728e1 |
2943822049 has 27 divisors (see below), whose sum is σ = 3590462547. Its totient is φ = 2406406464.
The previous prime is 2943822047. The next prime is 2943822121. The reversal of 2943822049 is 9402283492.
The square root of 2943822049 is 54257.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 793830625 + 2149991424 = 28175^2 + 46368^2 .
It is not a de Polignac number, because 2943822049 - 21 = 2943822047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2943821996 and 2943822014.
It is not an unprimeable number, because it can be changed into a prime (2943822041) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8735209 + ... + 8735545.
Almost surely, 22943822049 is an apocalyptic number.
2943822049 is the 54257-th square number.
2943822049 is the 27129-th centered octagonal number.
It is an amenable number.
2943822049 is a deficient number, since it is larger than the sum of its proper divisors (646640498).
2943822049 is an frugal number, since it uses more digits than its factorization.
2943822049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 734 (or 367 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 43.
The cubic root of 2943822049 is about 1433.1902706981.
The spelling of 2943822049 in words is "two billion, nine hundred forty-three million, eight hundred twenty-two thousand, forty-nine".
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