Base | Representation |
---|---|
bin | 110000000000101… |
… | …010100000011111 |
3 | 2002010122122111100 |
4 | 300000222200133 |
5 | 3122200333404 |
6 | 211532124143 |
7 | 25650320406 |
oct | 6000524037 |
9 | 2063578440 |
10 | 805480479 |
11 | 383744451 |
12 | 1a5906653 |
13 | cab5158b |
14 | 78d9463d |
15 | 4aaaad39 |
hex | 3002a81f |
805480479 has 12 divisors (see below), whose sum is σ = 1163870032. Its totient is φ = 536803200.
The previous prime is 805480477. The next prime is 805480513. The reversal of 805480479 is 974084508.
It is not a de Polignac number, because 805480479 - 21 = 805480477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805480477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15759 + ... + 43119.
Almost surely, 2805480479 is an apocalyptic number.
805480479 is a deficient number, since it is larger than the sum of its proper divisors (358389553).
805480479 is a wasteful number, since it uses less digits than its factorization.
805480479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30638 (or 30635 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 805480479 is about 28380.9879849169. The cubic root of 805480479 is about 930.4327885056.
The spelling of 805480479 in words is "eight hundred five million, four hundred eighty thousand, four hundred seventy-nine".
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