Base | Representation |
---|---|
bin | 110001000100… |
… | …0101110011100 |
3 | 1210102000020100 |
4 | 1202020232130 |
5 | 23041211402 |
6 | 2315221100 |
7 | 431444325 |
oct | 142105634 |
9 | 53360210 |
10 | 25725852 |
11 | 13581239 |
12 | 8747790 |
13 | 54396c9 |
14 | 35b944c |
15 | 23d271c |
hex | 1888b9c |
25725852 has 36 divisors (see below), whose sum is σ = 65192400. Its totient is φ = 8553792.
The previous prime is 25725827. The next prime is 25725859. The reversal of 25725852 is 25852752.
25725852 is a `hidden beast` number, since 2 + 5 + 72 + 585 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×257258522 = 1323638922251808, which contains 22 as substring.
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 (25725859) 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 11 ways as a sum of consecutive naturals, for example, 20968 + ... + 22160.
It is an arithmetic number, because the mean of its divisors is an integer number (1810900).
Almost surely, 225725852 is an apocalyptic number.
It is an amenable number.
25725852 is an abundant number, since it is smaller than the sum of its proper divisors (39466548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25725852 is a wasteful number, since it uses less digits than its factorization.
25725852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1802 (or 1797 counting only the distinct ones).
The product of its digits is 56000, while the sum is 36.
The square root of 25725852 is about 5072.0658513075. The cubic root of 25725852 is about 295.2046917976.
The spelling of 25725852 in words is "twenty-five million, seven hundred twenty-five thousand, eight hundred fifty-two".
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