Base | Representation |
---|---|
bin | 111011110111011… |
… | …1011000110000100 |
3 | 12011222220001222200 |
4 | 1313232323012010 |
5 | 13103222230010 |
6 | 531155154500 |
7 | 100531266543 |
oct | 16756730604 |
9 | 5158801880 |
10 | 2008789380 |
11 | 940a00214 |
12 | 4808a5a30 |
13 | 260233b90 |
14 | 150b0615a |
15 | bb54bcc0 |
hex | 77bbb184 |
2008789380 has 72 divisors (see below), whose sum is σ = 6562052952. Its totient is φ = 494470656.
The previous prime is 2008789379. The next prime is 2008789403. The reversal of 2008789380 is 839878002.
It can be written as a sum of positive squares in 4 ways, for example, as 157552704 + 1851236676 = 12552^2 + 43026^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426889 + ... + 431568.
Almost surely, 22008789380 is an apocalyptic number.
2008789380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2008789380 is an abundant number, since it is smaller than the sum of its proper divisors (4553263572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2008789380 is a wasteful number, since it uses less digits than its factorization.
2008789380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858485 (or 858480 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 2008789380 is about 44819.5200777518. The cubic root of 2008789380 is about 1261.7640069303.
The spelling of 2008789380 in words is "two billion, eight million, seven hundred eighty-nine thousand, three hundred eighty".
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