| Base | Representation |
|---|---|
| bin | 11010111001100… |
| … | …10101101001000 |
| 3 | 120201121021201000 |
| 4 | 31130302231020 |
| 5 | 430231322103 |
| 6 | 34220255000 |
| 7 | 5410002114 |
| oct | 1534625510 |
| 9 | 521537630 |
| 10 | 225651528 |
| 11 | 106413373 |
| 12 | 636a1460 |
| 13 | 37998c1b |
| 14 | 21d7c744 |
| 15 | 14c24aa3 |
| hex | d732b48 |
225651528 has 128 divisors (see below), whose sum is σ = 667180800. Its totient is φ = 70507008.
The previous prime is 225651527. The next prime is 225651529. The reversal of 225651528 is 825156522.
It is a happy number.
225651528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (225651527) and next prime (225651529).
It is a super-2 number, since 2×2256515282 = 101837224177469568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 225651492 and 225651501.
It is not an unprimeable number, because it can be changed into a prime (225651521) 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, 262876 + ... + 263732.
It is an arithmetic number, because the mean of its divisors is an integer number (5212350).
Almost surely, 2225651528 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 225651528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333590400).
225651528 is an abundant number, since it is smaller than the sum of its proper divisors (441529272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225651528 is a wasteful number, since it uses less digits than its factorization.
225651528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 948 (or 938 counting only the distinct ones).
The product of its digits is 48000, while the sum is 36.
The square root of 225651528 is about 15021.7019009166. The cubic root of 225651528 is about 608.8067041670.
The spelling of 225651528 in words is "two hundred twenty-five million, six hundred fifty-one thousand, five hundred twenty-eight".
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