Base | Representation |
---|---|
bin | 1010110000111100… |
… | …0100001010101100 |
3 | 21110101100102200102 |
4 | 2230033010022230 |
5 | 21404221133010 |
6 | 1154422450232 |
7 | 131415311240 |
oct | 25417041254 |
9 | 7411312612 |
10 | 2889630380 |
11 | 125313708a |
12 | 687893978 |
13 | 37087cb80 |
14 | 1d5ab6420 |
15 | 11da41ba5 |
hex | ac3c42ac |
2889630380 has 48 divisors (see below), whose sum is σ = 7468587840. Its totient is φ = 914519808.
The previous prime is 2889630379. The next prime is 2889630391. The reversal of 2889630380 is 830369882.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792035 + ... + 795674.
It is an arithmetic number, because the mean of its divisors is an integer number (155595580).
Almost surely, 22889630380 is an apocalyptic number.
2889630380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2889630380 is an abundant number, since it is smaller than the sum of its proper divisors (4578957460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2889630380 is a wasteful number, since it uses less digits than its factorization.
2889630380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1587738 (or 1587736 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 47.
The square root of 2889630380 is about 53755.2823450868. The cubic root of 2889630380 is about 1424.3414016205.
The spelling of 2889630380 in words is "two billion, eight hundred eighty-nine million, six hundred thirty thousand, three hundred eighty".
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