Base | Representation |
---|---|
bin | 11010111001000… |
… | …00111101100000 |
3 | 120201110121000011 |
4 | 31130200331200 |
5 | 430222010343 |
6 | 34214534304 |
7 | 5406250165 |
oct | 1534407540 |
9 | 521417004 |
10 | 225578848 |
11 | 106373800 |
12 | 63667394 |
13 | 37971b11 |
14 | 21d6006c |
15 | 14c0d29d |
hex | d720f60 |
225578848 has 144 divisors (see below), whose sum is σ = 542959200. Its totient is φ = 91688960.
The previous prime is 225578819. The next prime is 225578861. The reversal of 225578848 is 848875522.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1513878 + ... + 1514026.
It is an arithmetic number, because the mean of its divisors is an integer number (3770550).
Almost surely, 2225578848 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 225578848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271479600).
225578848 is an abundant number, since it is smaller than the sum of its proper divisors (317380352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225578848 is a wasteful number, since it uses less digits than its factorization.
225578848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221 (or 202 counting only the distinct ones).
The product of its digits is 1433600, while the sum is 49.
The square root of 225578848 is about 15019.2825394557. The cubic root of 225578848 is about 608.7413337215.
The spelling of 225578848 in words is "two hundred twenty-five million, five hundred seventy-eight thousand, eight hundred forty-eight".
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