Base | Representation |
---|---|
bin | 1010011100101111… |
… | …1011001111011011 |
3 | 21020110221202200100 |
4 | 2213023323033123 |
5 | 21221024440212 |
6 | 1142155110443 |
7 | 126336303066 |
oct | 24713731733 |
9 | 7213852610 |
10 | 2804921307 |
11 | 120a339991 |
12 | 663442423 |
13 | 359161266 |
14 | 1c87458dd |
15 | 1163acbdc |
hex | a72fb3db |
2804921307 has 48 divisors (see below), whose sum is σ = 4386096000. Its totient is φ = 1720922112.
The previous prime is 2804921297. The next prime is 2804921309. The reversal of 2804921307 is 7031294082.
It is not a de Polignac number, because 2804921307 - 28 = 2804921051 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2804921309) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1316419 + ... + 1318547.
It is an arithmetic number, because the mean of its divisors is an integer number (91377000).
Almost surely, 22804921307 is an apocalyptic number.
2804921307 is a deficient number, since it is larger than the sum of its proper divisors (1581174693).
2804921307 is a wasteful number, since it uses less digits than its factorization.
2804921307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2340 (or 2337 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 2804921307 is about 52961.5077863159. The cubic root of 2804921307 is about 1410.2850231107.
The spelling of 2804921307 in words is "two billion, eight hundred four million, nine hundred twenty-one thousand, three hundred seven".
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