Base | Representation |
---|---|
bin | 110000000011001… |
… | …100011111000101 |
3 | 2002011220100121000 |
4 | 300003030133011 |
5 | 3122333101231 |
6 | 211554243513 |
7 | 25656052611 |
oct | 6003143705 |
9 | 2064810530 |
10 | 806143941 |
11 | 384057969 |
12 | 1a5b86599 |
13 | cb024565 |
14 | 790c8341 |
15 | 4ab8c6e6 |
hex | 300cc7c5 |
806143941 has 8 divisors (see below), whose sum is σ = 1194287360. Its totient is φ = 537429276.
The previous prime is 806143937. The next prime is 806143957. The reversal of 806143941 is 149341608.
806143941 is a `hidden beast` number, since 8 + 0 + 614 + 39 + 4 + 1 = 666.
It is not a de Polignac number, because 806143941 - 22 = 806143937 is a prime.
It is a super-2 number, since 2×8061439412 = 1299736107222022962, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 806143896 and 806143905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806143141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14928565 + ... + 14928618.
It is an arithmetic number, because the mean of its divisors is an integer number (149285920).
Almost surely, 2806143941 is an apocalyptic number.
It is an amenable number.
806143941 is a deficient number, since it is larger than the sum of its proper divisors (388143419).
806143941 is a wasteful number, since it uses less digits than its factorization.
806143941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29857192 (or 29857186 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 806143941 is about 28392.6740727252. The cubic root of 806143941 is about 930.6881795025.
The spelling of 806143941 in words is "eight hundred six million, one hundred forty-three thousand, nine hundred forty-one".
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