Base | Representation |
---|---|
bin | 1001100011100… |
… | …00100010011000 |
3 | 12120211011212120 |
4 | 10301300202120 |
5 | 131004341403 |
6 | 11541541240 |
7 | 1662200265 |
oct | 461604230 |
9 | 176734776 |
10 | 80152728 |
11 | 41275a27 |
12 | 22a14820 |
13 | 137b4a66 |
14 | a90626c |
15 | 7083e53 |
hex | 4c70898 |
80152728 has 32 divisors (see below), whose sum is σ = 200693760. Its totient is φ = 26676000.
The previous prime is 80152711. The next prime is 80152729. The reversal of 80152728 is 82725108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80152729) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15801 + ... + 20247.
It is an arithmetic number, because the mean of its divisors is an integer number (6271680).
Almost surely, 280152728 is an apocalyptic number.
It is an amenable number.
80152728 is an abundant number, since it is smaller than the sum of its proper divisors (120541032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80152728 is a wasteful number, since it uses less digits than its factorization.
80152728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5207 (or 5203 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 33.
The square root of 80152728 is about 8952.8055937790. The cubic root of 80152728 is about 431.1609657826.
The spelling of 80152728 in words is "eighty million, one hundred fifty-two thousand, seven hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.543 sec. • engine limits •