Base | Representation |
---|---|
bin | 110000000011100… |
… | …001110000000000 |
3 | 2002012001210001220 |
4 | 300003201300000 |
5 | 3122343343130 |
6 | 212000155040 |
7 | 25656564546 |
oct | 6003416000 |
9 | 2065053056 |
10 | 806231040 |
11 | 38410734a |
12 | 1a6008a80 |
13 | cb0550b4 |
14 | 7910bd96 |
15 | 4aba8410 |
hex | 300e1c00 |
806231040 has 88 divisors (see below), whose sum is σ = 2578728720. Its totient is φ = 214990848.
The previous prime is 806231039. The next prime is 806231087. The reversal of 806231040 is 40132608.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 806231040.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10885 + ... + 41604.
Almost surely, 2806231040 is an apocalyptic number.
806231040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
806231040 is an abundant number, since it is smaller than the sum of its proper divisors (1772497680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
806231040 is a wasteful number, since it uses less digits than its factorization.
806231040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52517 (or 52499 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 806231040 is about 28394.2078600548. The cubic root of 806231040 is about 930.7216967138.
Adding to 806231040 its reverse (40132608), we get a palindrome (846363648).
The spelling of 806231040 in words is "eight hundred six million, two hundred thirty-one thousand, forty".
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