Base | Representation |
---|---|
bin | 110000000101110… |
… | …111000101110111 |
3 | 2002020012212011120 |
4 | 300011313011313 |
5 | 3123022431433 |
6 | 212021235023 |
7 | 25665023130 |
oct | 6005670567 |
9 | 2066185146 |
10 | 806842743 |
11 | 384494993 |
12 | 1a6262a73 |
13 | cb20a655 |
14 | 7922ac87 |
15 | 4ac797b3 |
hex | 30177177 |
806842743 has 32 divisors (see below), whose sum is σ = 1259512320. Its totient is φ = 449919360.
The previous prime is 806842739. The next prime is 806842747. The reversal of 806842743 is 347248608.
It is an interprime number because it is at equal distance from previous prime (806842739) and next prime (806842747).
It is not a de Polignac number, because 806842743 - 22 = 806842739 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 806842695 and 806842704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806842747) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150733 + ... + 155993.
It is an arithmetic number, because the mean of its divisors is an integer number (39359760).
Almost surely, 2806842743 is an apocalyptic number.
806842743 is a deficient number, since it is larger than the sum of its proper divisors (452669577).
806842743 is a wasteful number, since it uses less digits than its factorization.
806842743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5447.
The product of its (nonzero) digits is 258048, while the sum is 42.
The square root of 806842743 is about 28404.9774335415. The cubic root of 806842743 is about 930.9570226938.
The spelling of 806842743 in words is "eight hundred six million, eight hundred forty-two thousand, seven hundred forty-three".
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