Base | Representation |
---|---|
bin | 110001010011… |
… | …0110101000000 |
3 | 1210122021101000 |
4 | 1202212311000 |
5 | 23104133102 |
6 | 2322012000 |
7 | 432466650 |
oct | 142466500 |
9 | 53567330 |
10 | 25849152 |
11 | 1365593a |
12 | 87a7000 |
13 | 5480874 |
14 | 360c360 |
15 | 240901c |
hex | 18a6d40 |
25849152 has 112 divisors (see below), whose sum is σ = 86888320. Its totient is φ = 7382016.
The previous prime is 25849151. The next prime is 25849169. The reversal of 25849152 is 25194852.
It is a tau number, because it is divible by the number of its divisors (112).
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 (25849151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11028 + ... + 13164.
Almost surely, 225849152 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 25849152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43444160).
25849152 is an abundant number, since it is smaller than the sum of its proper divisors (61039168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25849152 is a wasteful number, since it uses less digits than its factorization.
25849152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2165 (or 2149 counting only the distinct ones).
The product of its digits is 28800, while the sum is 36.
The square root of 25849152 is about 5084.2061327212. The cubic root of 25849152 is about 295.6755636879.
The spelling of 25849152 in words is "twenty-five million, eight hundred forty-nine thousand, one hundred fifty-two".
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