Base | Representation |
---|---|
bin | 1010100100101000… |
… | …1001010111011001 |
3 | 21022210012210212202 |
4 | 2221022021113121 |
5 | 21303012244210 |
6 | 1145340215545 |
7 | 130220452415 |
oct | 25112112731 |
9 | 7283183782 |
10 | 2838009305 |
11 | 1226a8943a |
12 | 67253a5b5 |
13 | 362c77961 |
14 | 1cccb9d45 |
15 | 1192469a5 |
hex | a92895d9 |
2838009305 has 8 divisors (see below), whose sum is σ = 3443877000. Its totient is φ = 2244896896.
The previous prime is 2838009301. The next prime is 2838009311. The reversal of 2838009305 is 5039008382.
It can be written as a sum of positive squares in 4 ways, for example, as 40551424 + 2797457881 = 6368^2 + 52891^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2838009305 - 22 = 2838009301 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2838009301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188330 + ... + 3189219.
It is an arithmetic number, because the mean of its divisors is an integer number (430484625).
Almost surely, 22838009305 is an apocalyptic number.
It is an amenable number.
2838009305 is a deficient number, since it is larger than the sum of its proper divisors (605867695).
2838009305 is an equidigital number, since it uses as much as digits as its factorization.
2838009305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6377643.
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 2838009305 is about 53272.9697407607. The cubic root of 2838009305 is about 1415.8087923228.
The spelling of 2838009305 in words is "two billion, eight hundred thirty-eight million, nine thousand, three hundred five".
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