Base | Representation |
---|---|
bin | 110000001001… |
… | …0010101000000 |
3 | 1202111101000000 |
4 | 1200102111000 |
5 | 22430202041 |
6 | 2301000000 |
7 | 424354422 |
oct | 140222500 |
9 | 52441000 |
10 | 25240896 |
11 | 1327a94a |
12 | 8553000 |
13 | 52c9a55 |
14 | 34d0812 |
15 | 2338bb6 |
hex | 1812540 |
25240896 has 98 divisors (see below), whose sum is σ = 75235562. Its totient is φ = 8398080.
The previous prime is 25240877. The next prime is 25240939. The reversal of 25240896 is 69804252.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 20575296 + 4665600 = 4536^2 + 2160^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nialpdrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 25240896.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46386 + ... + 46926.
Almost surely, 225240896 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 25240896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37617781).
25240896 is an abundant number, since it is smaller than the sum of its proper divisors (49994666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25240896 is an frugal number, since it uses more digits than its factorization.
25240896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 571 (or 546 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 25240896 is about 5024.0318470328. The cubic root of 25240896 is about 293.3379521770.
The spelling of 25240896 in words is "twenty-five million, two hundred forty thousand, eight hundred ninety-six".
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