Base | Representation |
---|---|
bin | 1010100101010101… |
… | …1101011111001011 |
3 | 21022222210111110200 |
4 | 2221111131133023 |
5 | 21304242202212 |
6 | 1145523543243 |
7 | 130254614562 |
oct | 25125353713 |
9 | 7288714420 |
10 | 2840975307 |
11 | 1228724885 |
12 | 67352ab23 |
13 | 3637759a1 |
14 | 1cd44cbd9 |
15 | 1196306dc |
hex | a955d7cb |
2840975307 has 6 divisors (see below), whose sum is σ = 4103631012. Its totient is φ = 1893983532.
The previous prime is 2840975279. The next prime is 2840975311. The reversal of 2840975307 is 7035790482.
2840975307 is a `hidden beast` number, since 28 + 4 + 0 + 97 + 530 + 7 = 666.
It is not a de Polignac number, because 2840975307 - 227 = 2706757579 is a prime.
It is a super-2 number, since 2×28409753072 = 16142281389967488498, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2840975407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157831953 + ... + 157831970.
It is an arithmetic number, because the mean of its divisors is an integer number (683938502).
Almost surely, 22840975307 is an apocalyptic number.
2840975307 is a deficient number, since it is larger than the sum of its proper divisors (1262655705).
2840975307 is a wasteful number, since it uses less digits than its factorization.
2840975307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315663929 (or 315663926 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The square root of 2840975307 is about 53300.8002472758. The cubic root of 2840975307 is about 1416.3018409371.
The spelling of 2840975307 in words is "two billion, eight hundred forty million, nine hundred seventy-five thousand, three hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •