| Base | Representation |
|---|---|
| bin | 11010110110011… |
| … | …11011101011100 |
| 3 | 120200211122002011 |
| 4 | 31123033131130 |
| 5 | 430130320040 |
| 6 | 34203441004 |
| 7 | 5403360010 |
| oct | 1533173534 |
| 9 | 520748064 |
| 10 | 225245020 |
| 11 | 106165a10 |
| 12 | 63526164 |
| 13 | 37885ba0 |
| 14 | 21cb4540 |
| 15 | 14b943ea |
| hex | d6cf75c |
225245020 has 96 divisors (see below), whose sum is σ = 635152896. Its totient is φ = 64800000.
The previous prime is 225244993. The next prime is 225245029. The reversal of 225245020 is 20542522.
It is a happy number.
225245020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 225244982 and 225245000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225245029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14395 + ... + 25645.
It is an arithmetic number, because the mean of its divisors is an integer number (6616176).
Almost surely, 2225245020 is an apocalyptic number.
225245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 225245020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317576448).
225245020 is an abundant number, since it is smaller than the sum of its proper divisors (409907876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225245020 is a wasteful number, since it uses less digits than its factorization.
225245020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11291 (or 11289 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 225245020 is about 15008.1651110321. The cubic root of 225245020 is about 608.4408988916.
Adding to 225245020 its reverse (20542522), we get a palindrome (245787542).
The spelling of 225245020 in words is "two hundred twenty-five million, two hundred forty-five thousand, twenty".
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