Base | Representation |
---|---|
bin | 101111111111110… |
… | …011011110001010 |
3 | 2002010020012021010 |
4 | 233333303132022 |
5 | 3122121130200 |
6 | 211523224350 |
7 | 25645361235 |
oct | 5777633612 |
9 | 2063205233 |
10 | 805255050 |
11 | 383600046 |
12 | 1a58180b6 |
13 | caaa2aa2 |
14 | 78d3641c |
15 | 4aa64150 |
hex | 2fff378a |
805255050 has 48 divisors (see below), whose sum is σ = 2051020512. Its totient is φ = 208929600.
The previous prime is 805255037. The next prime is 805255051. The reversal of 805255050 is 50552508.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 805254999 and 805255017.
It is not an unprimeable number, because it can be changed into a prime (805255051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66996 + ... + 78095.
It is an arithmetic number, because the mean of its divisors is an integer number (42729594).
Almost surely, 2805255050 is an apocalyptic number.
805255050 is an abundant number, since it is smaller than the sum of its proper divisors (1245765462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
805255050 is a wasteful number, since it uses less digits than its factorization.
805255050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145143 (or 145138 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 30.
The square root of 805255050 is about 28377.0162279264. The cubic root of 805255050 is about 930.3459806484.
The spelling of 805255050 in words is "eight hundred five million, two hundred fifty-five thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •