Base | Representation |
---|---|
bin | 101111111111000… |
… | …111001000111111 |
3 | 2002002212222011222 |
4 | 233333013020333 |
5 | 3122044322341 |
6 | 211515303555 |
7 | 25644003656 |
oct | 5777071077 |
9 | 2062788158 |
10 | 805073471 |
11 | 383496684 |
12 | 1a574abbb |
13 | caa3b247 |
14 | 78cca19d |
15 | 4aa2a44b |
hex | 2ffc723f |
805073471 has 4 divisors (see below), whose sum is σ = 852430752. Its totient is φ = 757716192.
The previous prime is 805073459. The next prime is 805073497. The reversal of 805073471 is 174370508.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-805073471 is a prime.
It is a super-3 number, since 3×8050734713 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805073411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23678615 + ... + 23678648.
It is an arithmetic number, because the mean of its divisors is an integer number (213107688).
Almost surely, 2805073471 is an apocalyptic number.
805073471 is a deficient number, since it is larger than the sum of its proper divisors (47357281).
805073471 is a wasteful number, since it uses less digits than its factorization.
805073471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47357280.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 805073471 is about 28373.8166449281. The cubic root of 805073471 is about 930.2760467014.
The spelling of 805073471 in words is "eight hundred five million, seventy-three thousand, four hundred seventy-one".
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