Base | Representation |
---|---|
bin | 110000001100… |
… | …0010000000000 |
3 | 1202112121021101 |
4 | 1200120100000 |
5 | 22431441102 |
6 | 2301304144 |
7 | 424515223 |
oct | 140302000 |
9 | 52477241 |
10 | 25265152 |
11 | 132970a0 |
12 | 8565054 |
13 | 5307ac3 |
14 | 34d95ba |
15 | 2340e87 |
hex | 1818400 |
25265152 has 44 divisors (see below), whose sum is σ = 55121616. Its totient is φ = 11479040.
The previous prime is 25265147. The next prime is 25265171. The reversal of 25265152 is 25156252.
It is a tau number, because it is divible by the number of its divisors (44).
It is a self number, because there is not a number n which added to its sum of digits gives 25265152.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10143 + ... + 12385.
It is an arithmetic number, because the mean of its divisors is an integer number (1252764).
Almost surely, 225265152 is an apocalyptic number.
25265152 is a gapful number since it is divisible by the number (22) 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 25265152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27560808).
25265152 is an abundant number, since it is smaller than the sum of its proper divisors (29856464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25265152 is a wasteful number, since it uses less digits than its factorization.
25265152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2274 (or 2256 counting only the distinct ones).
The product of its digits is 6000, while the sum is 28.
The square root of 25265152 is about 5026.4452647970. The cubic root of 25265152 is about 293.4318860769.
Subtracting from 25265152 its reverse (25156252), we obtain a square (108900 = 3302).
The spelling of 25265152 in words is "twenty-five million, two hundred sixty-five thousand, one hundred fifty-two".
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