Base | Representation |
---|---|
bin | 1001101000101… |
… | …00010111000000 |
3 | 12122002021100000 |
4 | 10310110113000 |
5 | 131142324434 |
6 | 12004200000 |
7 | 2000663511 |
oct | 464242700 |
9 | 178067300 |
10 | 80823744 |
11 | 41694091 |
12 | 23099000 |
13 | 1398b301 |
14 | aa3ca08 |
15 | 7167b99 |
hex | 4d145c0 |
80823744 has 84 divisors (see below), whose sum is σ = 240293144. Its totient is φ = 26936064.
The previous prime is 80823733. The next prime is 80823793. The reversal of 80823744 is 44732808.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 80823699 and 80823708.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12954 + ... + 18150.
Almost surely, 280823744 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 80823744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120146572).
80823744 is an abundant number, since it is smaller than the sum of its proper divisors (159469400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80823744 is an equidigital number, since it uses as much as digits as its factorization.
80823744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5224 (or 5202 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The square root of 80823744 is about 8990.2026673485. The cubic root of 80823744 is about 432.3608096762.
The spelling of 80823744 in words is "eighty million, eight hundred twenty-three thousand, seven hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •