Base | Representation |
---|---|
bin | 110000000000000… |
… | …011100101000011 |
3 | 2002010100112202201 |
4 | 300000003211003 |
5 | 3122130233102 |
6 | 211524454031 |
7 | 25646054500 |
oct | 6000034503 |
9 | 2063315681 |
10 | 805321027 |
11 | 383645675 |
12 | 1a584a317 |
13 | caac6b24 |
14 | 78d524a7 |
15 | 4aa78987 |
hex | 30003943 |
805321027 has 6 divisors (see below), whose sum is σ = 936802068. Its totient is φ = 690275124.
The previous prime is 805321003. The next prime is 805321037. The reversal of 805321027 is 720123508.
It is not a de Polignac number, because 805321027 - 219 = 804796739 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 805320986 and 805321004.
It is not an unprimeable number, because it can be changed into a prime (805321037) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8217513 + ... + 8217610.
It is an arithmetic number, because the mean of its divisors is an integer number (156133678).
Almost surely, 2805321027 is an apocalyptic number.
805321027 is a deficient number, since it is larger than the sum of its proper divisors (131481041).
805321027 is a wasteful number, since it uses less digits than its factorization.
805321027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16435137 (or 16435130 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 805321027 is about 28378.1787118201. The cubic root of 805321027 is about 930.3713886482.
The spelling of 805321027 in words is "eight hundred five million, three hundred twenty-one thousand, twenty-seven".
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