Base | Representation |
---|---|
bin | 10011110000010… |
… | …111111100010000 |
3 | 212002200022021211 |
4 | 103300113330100 |
5 | 1134322314310 |
6 | 52520025504 |
7 | 11133155635 |
oct | 2360277420 |
9 | 762608254 |
10 | 331448080 |
11 | 160103937 |
12 | 93002294 |
13 | 5388bc32 |
14 | 3203c18c |
15 | 1e171c8a |
hex | 13c17f10 |
331448080 has 20 divisors (see below), whose sum is σ = 770616972. Its totient is φ = 132579200.
The previous prime is 331448071. The next prime is 331448083. The reversal of 331448080 is 80844133.
It can be written as a sum of positive squares in 2 ways, for example, as 244734736 + 86713344 = 15644^2 + 9312^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (331448083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071471 + ... + 2071630.
Almost surely, 2331448080 is an apocalyptic number.
It is an amenable number.
331448080 is an abundant number, since it is smaller than the sum of its proper divisors (439168892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331448080 is a wasteful number, since it uses less digits than its factorization.
331448080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4143114 (or 4143108 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 331448080 is about 18205.7155860460. The cubic root of 331448080 is about 692.0516405936.
The spelling of 331448080 in words is "three hundred thirty-one million, four hundred forty-eight thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •