Base | Representation |
---|---|
bin | 110001010110… |
… | …1001100110100 |
3 | 1210200121011200 |
4 | 1202231030310 |
5 | 23111002002 |
6 | 2322332500 |
7 | 432636024 |
oct | 142551464 |
9 | 53617150 |
10 | 25875252 |
11 | 13673507 |
12 | 87ba130 |
13 | 548c700 |
14 | 3617a84 |
15 | 2411b1c |
hex | 18ad334 |
25875252 has 54 divisors (see below), whose sum is σ = 70841862. Its totient is φ = 7959744.
The previous prime is 25875233. The next prime is 25875257. The reversal of 25875252 is 25257852.
It can be written as a sum of positive squares in 3 ways, for example, as 1313316 + 24561936 = 1146^2 + 4956^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25875257) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3958 + ... + 8210.
Almost surely, 225875252 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 25875252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35420931).
25875252 is an abundant number, since it is smaller than the sum of its proper divisors (44966610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25875252 is a wasteful number, since it uses less digits than its factorization.
25875252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4289 (or 4271 counting only the distinct ones).
The product of its digits is 56000, while the sum is 36.
The square root of 25875252 is about 5086.7722575323. The cubic root of 25875252 is about 295.7750451760.
The spelling of 25875252 in words is "twenty-five million, eight hundred seventy-five thousand, two hundred fifty-two".
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