Base | Representation |
---|---|
bin | 101111111111110… |
… | …000000010100100 |
3 | 2002010012110222121 |
4 | 233333300002210 |
5 | 3122120202441 |
6 | 211523035324 |
7 | 25645302250 |
oct | 5777600244 |
9 | 2063173877 |
10 | 805240996 |
11 | 3835a052a |
12 | 1a580bb44 |
13 | caa99581 |
14 | 78d31260 |
15 | 4aa5edd1 |
hex | 2fff00a4 |
805240996 has 48 divisors (see below), whose sum is σ = 1683619840. Its totient is φ = 329715360.
The previous prime is 805240993. The next prime is 805241011. The reversal of 805240996 is 699042508.
It is not an unprimeable number, because it can be changed into a prime (805240991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62701 + ... + 74443.
Almost surely, 2805240996 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 805240996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841809920).
805240996 is an abundant number, since it is smaller than the sum of its proper divisors (878378844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
805240996 is a wasteful number, since it uses less digits than its factorization.
805240996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11864 (or 11862 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 805240996 is about 28376.7685968646. The cubic root of 805240996 is about 930.3405682189.
The spelling of 805240996 in words is "eight hundred five million, two hundred forty thousand, nine hundred ninety-six".
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