Base | Representation |
---|---|
bin | 101111101110110… |
… | …101110011001100 |
3 | 2001210212021020202 |
4 | 233232311303030 |
5 | 3120001330030 |
6 | 211244033032 |
7 | 25562520416 |
oct | 5756656314 |
9 | 2053767222 |
10 | 800808140 |
11 | 381043010 |
12 | 1a4232778 |
13 | c9ba6992 |
14 | 784d99b6 |
15 | 4a486745 |
hex | 2fbb5ccc |
800808140 has 24 divisors (see below), whose sum is σ = 1834579152. Its totient is φ = 291202880.
The previous prime is 800808139. The next prime is 800808149. The reversal of 800808140 is 41808008.
It is not an unprimeable number, because it can be changed into a prime (800808149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819799 + ... + 1820238.
It is an arithmetic number, because the mean of its divisors is an integer number (76440798).
Almost surely, 2800808140 is an apocalyptic number.
It is an amenable number.
800808140 is an abundant number, since it is smaller than the sum of its proper divisors (1033771012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800808140 is a wasteful number, since it uses less digits than its factorization.
800808140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3640057 (or 3640055 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 800808140 is about 28298.5536732887. The cubic root of 800808140 is about 928.6302493255.
The spelling of 800808140 in words is "eight hundred million, eight hundred eight thousand, one hundred forty".
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