Base | Representation |
---|---|
bin | 110000110001… |
… | …0110010110010 |
3 | 1210010010002220 |
4 | 1201202302302 |
5 | 23021223412 |
6 | 2312021510 |
7 | 430226340 |
oct | 141426262 |
9 | 53103086 |
10 | 25570482 |
11 | 13485533 |
12 | 8691896 |
13 | 53b3a82 |
14 | 3578990 |
15 | 23a168c |
hex | 1862cb2 |
25570482 has 64 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 6748416.
The previous prime is 25570481. The next prime is 25570487. The reversal of 25570482 is 28407552.
It is not an unprimeable number, because it can be changed into a prime (25570481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41823 + ... + 42429.
It is an arithmetic number, because the mean of its divisors is an integer number (984960).
Almost surely, 225570482 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25570482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31518720).
25570482 is an abundant number, since it is smaller than the sum of its proper divisors (37466958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25570482 is a wasteful number, since it uses less digits than its factorization.
25570482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 25570482 is about 5056.7264114247. The cubic root of 25570482 is about 294.6092000322.
The spelling of 25570482 in words is "twenty-five million, five hundred seventy thousand, four hundred eighty-two".
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