Base | Representation |
---|---|
bin | 1001101000011… |
… | …10001111100000 |
3 | 12122000222222000 |
4 | 10310032033200 |
5 | 131141024223 |
6 | 12003444000 |
7 | 2000530455 |
oct | 464161740 |
9 | 178028860 |
10 | 80798688 |
11 | 41677283 |
12 | 23086600 |
13 | 1397ca99 |
14 | aa3382c |
15 | 7160543 |
hex | 4d0e3e0 |
80798688 has 96 divisors (see below), whose sum is σ = 249570720. Its totient is φ = 25344000.
The previous prime is 80798681. The next prime is 80798743. The reversal of 80798688 is 88689708.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80798681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11938 + ... + 17438.
It is an arithmetic number, because the mean of its divisors is an integer number (2599695).
Almost surely, 280798688 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 80798688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124785360).
80798688 is an abundant number, since it is smaller than the sum of its proper divisors (168772032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80798688 is a wasteful number, since it uses less digits than its factorization.
80798688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5537 (or 5523 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 54.
The square root of 80798688 is about 8988.8090423593. The cubic root of 80798688 is about 432.3161266348.
The spelling of 80798688 in words is "eighty million, seven hundred ninety-eight thousand, six hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •