Base | Representation |
---|---|
bin | 110000000101101… |
… | …101011111100111 |
3 | 2002020010212020120 |
4 | 300011231133213 |
5 | 3123020202211 |
6 | 212020333023 |
7 | 25664500410 |
oct | 6005553747 |
9 | 2066125216 |
10 | 806803431 |
11 | 3844683a5 |
12 | 1a6244173 |
13 | cb1c57a5 |
14 | 7921a807 |
15 | 4ac6cd06 |
hex | 3016d7e7 |
806803431 has 8 divisors (see below), whose sum is σ = 1229414784. Its totient is φ = 461030520.
The previous prime is 806803381. The next prime is 806803469. The reversal of 806803431 is 134308608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 806803431 - 213 = 806795239 is a prime.
It is a super-2 number, since 2×8068034312 = 1301863552546743522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 806803392 and 806803401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806803331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19209585 + ... + 19209626.
It is an arithmetic number, because the mean of its divisors is an integer number (153676848).
Almost surely, 2806803431 is an apocalyptic number.
806803431 is a deficient number, since it is larger than the sum of its proper divisors (422611353).
806803431 is a wasteful number, since it uses less digits than its factorization.
806803431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38419221.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 806803431 is about 28404.2854337158. The cubic root of 806803431 is about 930.9419026979.
The spelling of 806803431 in words is "eight hundred six million, eight hundred three thousand, four hundred thirty-one".
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