Base | Representation |
---|---|
bin | 11000100100011011000 |
3 | 1111220100210 |
4 | 3010203120 |
5 | 201230310 |
6 | 25131120 |
7 | 6562113 |
oct | 3044330 |
9 | 1456323 |
10 | 805080 |
11 | 4aa961 |
12 | 329aa0 |
13 | 2225a3 |
14 | 16d57a |
15 | 10d820 |
hex | c48d8 |
805080 has 32 divisors (see below), whose sum is σ = 2415600. Its totient is φ = 214656.
The previous prime is 805073. The next prime is 805081. The reversal of 805080 is 80508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805081) by changing a digit.
805080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235 + ... + 3474.
2805080 is an apocalyptic number.
It is an amenable number.
805080 is an abundant number, since it is smaller than the sum of its proper divisors (1610520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
805080 is a wasteful number, since it uses less digits than its factorization.
805080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6723 (or 6719 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 805080 is about 897.2625033957. The cubic root of 805080 is about 93.0278561485.
Adding to 805080 its reverse (80508), we get a palindrome (885588).
The spelling of 805080 in words is "eight hundred five thousand, eighty".
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