Base | Representation |
---|---|
bin | 101111111111011… |
… | …111101111001100 |
3 | 2002010002002101102 |
4 | 233333133233030 |
5 | 3122111033340 |
6 | 211521402232 |
7 | 25644603464 |
oct | 5777375714 |
9 | 2063062342 |
10 | 805174220 |
11 | 383555344 |
12 | 1a5799378 |
13 | caa75066 |
14 | 78d14ba4 |
15 | 4aa4a215 |
hex | 2ffdfbcc |
805174220 has 24 divisors (see below), whose sum is σ = 1700319600. Its totient is φ = 320268992.
The previous prime is 805174219. The next prime is 805174231. The reversal of 805174220 is 22471508.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108875 + ... + 116034.
It is an arithmetic number, because the mean of its divisors is an integer number (70846650).
Almost surely, 2805174220 is an apocalyptic number.
It is an amenable number.
805174220 is an abundant number, since it is smaller than the sum of its proper divisors (895145380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
805174220 is a wasteful number, since it uses less digits than its factorization.
805174220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225097 (or 225095 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 805174220 is about 28375.5919762038. The cubic root of 805174220 is about 930.3148508087.
The spelling of 805174220 in words is "eight hundred five million, one hundred seventy-four thousand, two hundred twenty".
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