Base | Representation |
---|---|
bin | 11010110100110… |
… | …11010000111110 |
3 | 120200102202211000 |
4 | 31122123100332 |
5 | 430101444410 |
6 | 34155111130 |
7 | 5401506504 |
oct | 1532332076 |
9 | 520382730 |
10 | 225031230 |
11 | 10602a326 |
12 | 634424a6 |
13 | 3780c798 |
14 | 21c5a674 |
15 | 14b50dc0 |
hex | d69b43e |
225031230 has 32 divisors (see below), whose sum is σ = 600084000. Its totient is φ = 60008256.
The previous prime is 225031217. The next prime is 225031291. The reversal of 225031230 is 32130522.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 416455 + ... + 416994.
It is an arithmetic number, because the mean of its divisors is an integer number (18752625).
Almost surely, 2225031230 is an apocalyptic number.
225031230 is an abundant number, since it is smaller than the sum of its proper divisors (375052770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225031230 is a wasteful number, since it uses less digits than its factorization.
225031230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 833465 (or 833459 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 225031230 is about 15001.0409638798. The cubic root of 225031230 is about 608.2483385767.
Adding to 225031230 its reverse (32130522), we get a palindrome (257161752).
The spelling of 225031230 in words is "two hundred twenty-five million, thirty-one thousand, two hundred thirty".
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