Base | Representation |
---|---|
bin | 1010011101000110… |
… | …1100010001111010 |
3 | 21020120210120011220 |
4 | 2213101230101322 |
5 | 21221421323030 |
6 | 1142251332510 |
7 | 126355200042 |
oct | 24721542172 |
9 | 7216716156 |
10 | 2806432890 |
11 | 1210181628 |
12 | 663a51136 |
13 | 3595702a1 |
14 | 1c8a1a722 |
15 | 1165aaa10 |
hex | a746c47a |
2806432890 has 16 divisors (see below), whose sum is σ = 6735439008. Its totient is φ = 748382096.
The previous prime is 2806432873. The next prime is 2806432901. The reversal of 2806432890 is 982346082.
2806432890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46773852 + ... + 46773911.
It is an arithmetic number, because the mean of its divisors is an integer number (420964938).
Almost surely, 22806432890 is an apocalyptic number.
2806432890 is an abundant number, since it is smaller than the sum of its proper divisors (3929006118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2806432890 is a wasteful number, since it uses less digits than its factorization.
2806432890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93547773.
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 2806432890 is about 52975.7764454661. The cubic root of 2806432890 is about 1410.5383136442.
The spelling of 2806432890 in words is "two billion, eight hundred six million, four hundred thirty-two thousand, eight hundred ninety".
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