Base | Representation |
---|---|
bin | 110000001010… |
… | …0100100000000 |
3 | 1202111211112222 |
4 | 1200110210000 |
5 | 22431000143 |
6 | 2301110212 |
7 | 424423205 |
oct | 140244400 |
9 | 52454488 |
10 | 25250048 |
11 | 1328680a |
12 | 8558368 |
13 | 5300c75 |
14 | 34d3cac |
15 | 233b768 |
hex | 1814900 |
25250048 has 36 divisors (see below), whose sum is σ = 51380028. Its totient is φ = 12380160.
The previous prime is 25250047. The next prime is 25250051. The reversal of 25250048 is 84005252.
It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 18939904 = 2512^2 + 4352^2 .
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 25249999 and 25250026.
It is not an unprimeable number, because it can be changed into a prime (25250047) 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, 12638 + ... + 14498.
It is an arithmetic number, because the mean of its divisors is an integer number (1427223).
Almost surely, 225250048 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 25250048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25690014).
25250048 is an abundant number, since it is smaller than the sum of its proper divisors (26129980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25250048 is an equidigital number, since it uses as much as digits as its factorization.
25250048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1930 (or 1916 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 25250048 is about 5024.9425867367. The cubic root of 25250048 is about 293.3734013219.
The spelling of 25250048 in words is "twenty-five million, two hundred fifty thousand, forty-eight".
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