Base | Representation |
---|---|
bin | 110001100000… |
… | …1001110000000 |
3 | 1210211202122120 |
4 | 1203001032000 |
5 | 23121112443 |
6 | 2324204240 |
7 | 433430052 |
oct | 143011600 |
9 | 53752576 |
10 | 25957248 |
11 | 1371a079 |
12 | 8839680 |
13 | 54bab25 |
14 | 36398d2 |
15 | 242b083 |
hex | 18c1380 |
25957248 has 64 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 8273408.
The previous prime is 25957247. The next prime is 25957259. The reversal of 25957248 is 84275952.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25957241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7363 + ... + 10301.
It is an arithmetic number, because the mean of its divisors is an integer number (1124550).
Almost surely, 225957248 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 25957248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35985600).
25957248 is an abundant number, since it is smaller than the sum of its proper divisors (46013952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25957248 is a wasteful number, since it uses less digits than its factorization.
25957248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2979 (or 2967 counting only the distinct ones).
The product of its digits is 201600, while the sum is 42.
The square root of 25957248 is about 5094.8256103619. The cubic root of 25957248 is about 296.0871425920.
The spelling of 25957248 in words is "twenty-five million, nine hundred fifty-seven thousand, two hundred forty-eight".
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