Base | Representation |
---|---|
bin | 110001010000… |
… | …0111100000000 |
3 | 1210121001021101 |
4 | 1202200330000 |
5 | 23102400044 |
6 | 2321304144 |
7 | 432336421 |
oct | 142407400 |
9 | 53531241 |
10 | 25825024 |
11 | 136397a5 |
12 | 8795054 |
13 | 54728a4 |
14 | 3603648 |
15 | 2401cd4 |
hex | 18a0f00 |
25825024 has 36 divisors (see below), whose sum is σ = 51876720. Its totient is φ = 12830720.
The previous prime is 25825003. The next prime is 25825027. The reversal of 25825024 is 42052852.
It is a junction number, because it is equal to n+sod(n) for n = 25824983 and 25825001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25825027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71757 + ... + 72115.
It is an arithmetic number, because the mean of its divisors is an integer number (1441020).
Almost surely, 225825024 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 25825024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25938360).
25825024 is an abundant number, since it is smaller than the sum of its proper divisors (26051696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25825024 is an equidigital number, since it uses as much as digits as its factorization.
25825024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656 (or 642 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 28.
The square root of 25825024 is about 5081.8327402621. The cubic root of 25825024 is about 295.5835389948.
Adding to 25825024 its reverse (42052852), we get a palindrome (67877876).
The spelling of 25825024 in words is "twenty-five million, eight hundred twenty-five thousand, twenty-four".
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