Base | Representation |
---|---|
bin | 110000010111… |
… | …0001110001100 |
3 | 1202201011201120 |
4 | 1200232032030 |
5 | 22442331043 |
6 | 2303240540 |
7 | 425341500 |
oct | 140561614 |
9 | 52634646 |
10 | 25355148 |
11 | 13348775 |
12 | 85a9150 |
13 | 5339a60 |
14 | 3520300 |
15 | 235c983 |
hex | 182e38c |
25355148 has 144 divisors (see below), whose sum is σ = 77220864. Its totient is φ = 6410880.
The previous prime is 25355123. The next prime is 25355149. The reversal of 25355148 is 84155352.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25355149) 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 47 ways as a sum of consecutive naturals, for example, 236911 + ... + 237017.
It is an arithmetic number, because the mean of its divisors is an integer number (536256).
Almost surely, 225355148 is an apocalyptic number.
25355148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25355148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38610432).
25355148 is an abundant number, since it is smaller than the sum of its proper divisors (51865716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25355148 is a wasteful number, since it uses less digits than its factorization.
25355148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172 (or 163 counting only the distinct ones).
The product of its digits is 24000, while the sum is 33.
The square root of 25355148 is about 5035.3895579190. The cubic root of 25355148 is about 293.7798805880.
The spelling of 25355148 in words is "twenty-five million, three hundred fifty-five thousand, one hundred forty-eight".
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