Base | Representation |
---|---|
bin | 1001100111101… |
… | …11000100000000 |
3 | 12121212011201120 |
4 | 10303313010000 |
5 | 131130004434 |
6 | 12001432240 |
7 | 1666653612 |
oct | 463670400 |
9 | 177764646 |
10 | 80703744 |
11 | 41611a10 |
12 | 2303b680 |
13 | 139487c4 |
14 | aa0adb2 |
15 | 7142349 |
hex | 4cf7100 |
80703744 has 144 divisors (see below), whose sum is σ = 241061184. Its totient is φ = 23756800.
The previous prime is 80703739. The next prime is 80703751. The reversal of 80703744 is 44730708.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346252 + ... + 346484.
It is an arithmetic number, because the mean of its divisors is an integer number (1674036).
Almost surely, 280703744 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 80703744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120530592).
80703744 is an abundant number, since it is smaller than the sum of its proper divisors (160357440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80703744 is a wasteful number, since it uses less digits than its factorization.
80703744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 80703744 is about 8983.5262564318. The cubic root of 80703744 is about 432.1467265655.
The spelling of 80703744 in words is "eighty million, seven hundred three thousand, seven hundred forty-four".
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