Base | Representation |
---|---|
bin | 11010110110101… |
… | …01010000110000 |
3 | 120200212211200022 |
4 | 31123111100300 |
5 | 430132100114 |
6 | 34204143012 |
7 | 5403516206 |
oct | 1533252060 |
9 | 520784608 |
10 | 225268784 |
11 | 106181854 |
12 | 63537a68 |
13 | 37893950 |
14 | 21cbd076 |
15 | 14b9b48e |
hex | d6d5430 |
225268784 has 40 divisors (see below), whose sum is σ = 474730032. Its totient is φ = 102931200.
The previous prime is 225268753. The next prime is 225268789. The reversal of 225268784 is 487862522.
It is not an unprimeable number, because it can be changed into a prime (225268789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15647 + ... + 26369.
Almost surely, 2225268784 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 225268784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237365016).
225268784 is an abundant number, since it is smaller than the sum of its proper divisors (249461248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225268784 is a wasteful number, since it uses less digits than its factorization.
225268784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10845 (or 10839 counting only the distinct ones).
The product of its digits is 430080, while the sum is 44.
The square root of 225268784 is about 15008.9567925289. The cubic root of 225268784 is about 608.4622955630.
The spelling of 225268784 in words is "two hundred twenty-five million, two hundred sixty-eight thousand, seven hundred eighty-four".
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