Base | Representation |
---|---|
bin | 101111111111111… |
… | …101001111011000 |
3 | 2002010022020011010 |
4 | 233333331033120 |
5 | 3122123420224 |
6 | 211524133520 |
7 | 25645616010 |
oct | 5777751730 |
9 | 2063266133 |
10 | 805295064 |
11 | 383628112 |
12 | 1a58372a0 |
13 | caab8072 |
14 | 78d46c40 |
15 | 4aa70e29 |
hex | 2fffd3d8 |
805295064 has 128 divisors (see below), whose sum is σ = 2352430080. Its totient is φ = 224985600.
The previous prime is 805295059. The next prime is 805295081. The reversal of 805295064 is 460592508.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2158782 + ... + 2159154.
It is an arithmetic number, because the mean of its divisors is an integer number (18378360).
Almost surely, 2805295064 is an apocalyptic number.
805295064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 805295064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176215040).
805295064 is an abundant number, since it is smaller than the sum of its proper divisors (1547135016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
805295064 is a wasteful number, since it uses less digits than its factorization.
805295064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 641 (or 637 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
The square root of 805295064 is about 28377.7212615812. The cubic root of 805295064 is about 930.3613903613.
The spelling of 805295064 in words is "eight hundred five million, two hundred ninety-five thousand, sixty-four".
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