Base | Representation |
---|---|
bin | 101111111110111… |
… | …000110011001001 |
3 | 2002002202222121100 |
4 | 233332320303021 |
5 | 3122040432404 |
6 | 211514132013 |
7 | 25643340501 |
oct | 5776706311 |
9 | 2062688540 |
10 | 805014729 |
11 | 383456532 |
12 | 1a5721009 |
13 | caa1a59c |
14 | 78cb2a01 |
15 | 4aa17d39 |
hex | 2ffb8cc9 |
805014729 has 12 divisors (see below), whose sum is σ = 1165566532. Its totient is φ = 535399200.
The previous prime is 805014713. The next prime is 805014751. The reversal of 805014729 is 927410508.
805014729 is a `hidden beast` number, since 80 + 501 + 4 + 72 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 13155129 + 791859600 = 3627^2 + 28140^2 .
It is not a de Polignac number, because 805014729 - 24 = 805014713 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 805014693 and 805014702.
It is not an unprimeable number, because it can be changed into a prime (805014229) 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 11 ways as a sum of consecutive naturals, for example, 102442 + ... + 110019.
Almost surely, 2805014729 is an apocalyptic number.
It is an amenable number.
805014729 is a deficient number, since it is larger than the sum of its proper divisors (360551803).
805014729 is a wasteful number, since it uses less digits than its factorization.
805014729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212888 (or 212885 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 805014729 is about 28372.7814815538. The cubic root of 805014729 is about 930.2534203587.
The spelling of 805014729 in words is "eight hundred five million, fourteen thousand, seven hundred twenty-nine".
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