Base | Representation |
---|---|
bin | 10110101101100… |
… | …000111011000100 |
3 | 222112222100000100 |
4 | 112231200323010 |
5 | 1240020430314 |
6 | 101450444100 |
7 | 12304462611 |
oct | 2655407304 |
9 | 875870010 |
10 | 381030084 |
11 | 1860995a6 |
12 | a7733630 |
13 | 60c2bcb6 |
14 | 38867508 |
15 | 236b7c09 |
hex | 16b60ec4 |
381030084 has 36 divisors (see below), whose sum is σ = 964157740. Its totient is φ = 126878400.
The previous prime is 381030079. The next prime is 381030109. The reversal of 381030084 is 480030183.
It can be written as a sum of positive squares in 2 ways, for example, as 290361600 + 90668484 = 17040^2 + 9522^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33534 + ... + 43434.
Almost surely, 2381030084 is an apocalyptic number.
It is an amenable number.
381030084 is an abundant number, since it is smaller than the sum of its proper divisors (583127656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381030084 is a wasteful number, since it uses less digits than its factorization.
381030084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10980 (or 10975 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 381030084 is about 19519.9919057360. The cubic root of 381030084 is about 724.9695327664.
Subtracting 381030084 from its reverse (480030183), we obtain a palindrome (99000099).
The spelling of 381030084 in words is "three hundred eighty-one million, thirty thousand, eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •