Base | Representation |
---|---|
bin | 11010111000101… |
… | …11111110001110 |
3 | 120201101201111112 |
4 | 31130113332032 |
5 | 430214321110 |
6 | 34214052022 |
7 | 5406034640 |
oct | 1534277616 |
9 | 521351445 |
10 | 225542030 |
11 | 10634907a |
12 | 6364a012 |
13 | 3795b12c |
14 | 21d50890 |
15 | 14c02405 |
hex | d717f8e |
225542030 has 32 divisors (see below), whose sum is σ = 472734144. Its totient is φ = 75868416.
The previous prime is 225542021. The next prime is 225542059. The reversal of 225542030 is 30245522.
It is a junction number, because it is equal to n+sod(n) for n = 225541987 and 225542005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26687 + ... + 34106.
It is an arithmetic number, because the mean of its divisors is an integer number (14772942).
Almost surely, 2225542030 is an apocalyptic number.
225542030 is an abundant number, since it is smaller than the sum of its proper divisors (247192114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225542030 is a wasteful number, since it uses less digits than its factorization.
225542030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60860.
The product of its (nonzero) digits is 2400, while the sum is 23.
The square root of 225542030 is about 15018.0567984011. The cubic root of 225542030 is about 608.7082132139.
Adding to 225542030 its reverse (30245522), we get a palindrome (255787552).
The spelling of 225542030 in words is "two hundred twenty-five million, five hundred forty-two thousand, thirty".
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