Base | Representation |
---|---|
bin | 110000011011… |
… | …1100000000000 |
3 | 1202210002212010 |
4 | 1200313200000 |
5 | 23000040102 |
6 | 2304132520 |
7 | 425560341 |
oct | 140674000 |
9 | 52702763 |
10 | 25393152 |
11 | 13374284 |
12 | 8607140 |
13 | 5351145 |
14 | 35300c8 |
15 | 2368d6c |
hex | 1837800 |
25393152 has 48 divisors (see below), whose sum is σ = 67714920. Its totient is φ = 8462336.
The previous prime is 25393129. The next prime is 25393157. The reversal of 25393152 is 25139352.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25393157) 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, 4078 + ... + 8210.
Almost surely, 225393152 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 25393152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33857460).
25393152 is an abundant number, since it is smaller than the sum of its proper divisors (42321768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25393152 is an equidigital number, since it uses as much as digits as its factorization.
25393152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4158 (or 4138 counting only the distinct ones).
The product of its digits is 8100, while the sum is 30.
The square root of 25393152 is about 5039.1618350674. The cubic root of 25393152 is about 293.9265863251.
The spelling of 25393152 in words is "twenty-five million, three hundred ninety-three thousand, one hundred fifty-two".
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