Base | Representation |
---|---|
bin | 1010011101100011… |
… | …1100101001001000 |
3 | 21020201101012021110 |
4 | 2213120330221020 |
5 | 21222413204140 |
6 | 1142400210320 |
7 | 126410311236 |
oct | 24730745110 |
9 | 7221335243 |
10 | 2808334920 |
11 | 1211260656 |
12 | 6646099a0 |
13 | 359a87c51 |
14 | 1c8d93956 |
15 | 116834380 |
hex | a763ca48 |
2808334920 has 32 divisors (see below), whose sum is σ = 8425005120. Its totient is φ = 748889280.
The previous prime is 2808334909. The next prime is 2808334927. The reversal of 2808334920 is 294338082.
It is not an unprimeable number, because it can be changed into a prime (2808334927) 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, 11701276 + ... + 11701515.
It is an arithmetic number, because the mean of its divisors is an integer number (263281410).
Almost surely, 22808334920 is an apocalyptic number.
2808334920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2808334920 is an abundant number, since it is smaller than the sum of its proper divisors (5616670200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2808334920 is a wasteful number, since it uses less digits than its factorization.
2808334920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23402805 (or 23402801 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 2808334920 is about 52993.7252889434. The cubic root of 2808334920 is about 1410.8569007882.
The spelling of 2808334920 in words is "two billion, eight hundred eight million, three hundred thirty-four thousand, nine hundred twenty".
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