Base | Representation |
---|---|
bin | 1001100111110… |
… | …01011100000000 |
3 | 12121212200001212 |
4 | 10303321130000 |
5 | 131130312342 |
6 | 12001545252 |
7 | 2000024150 |
oct | 463713400 |
9 | 177780055 |
10 | 80713472 |
11 | 41619254 |
12 | 23045228 |
13 | 13950068 |
14 | aa10760 |
15 | 7145182 |
hex | 4cf9700 |
80713472 has 72 divisors (see below), whose sum is σ = 186952416. Its totient is φ = 34062336.
The previous prime is 80713441. The next prime is 80713481. The reversal of 80713472 is 27431708.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130508 + ... + 131124.
Almost surely, 280713472 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 80713472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93476208).
80713472 is an abundant number, since it is smaller than the sum of its proper divisors (106238944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80713472 is an equidigital number, since it uses as much as digits as its factorization.
80713472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 713 (or 699 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 32.
The square root of 80713472 is about 8984.0676756133. The cubic root of 80713472 is about 432.1640894710.
The spelling of 80713472 in words is "eighty million, seven hundred thirteen thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •