Base | Representation |
---|---|
bin | 110000111111… |
… | …0110111101101 |
3 | 1210022221212021 |
4 | 1201332313231 |
5 | 23033413420 |
6 | 2314310141 |
7 | 431215540 |
oct | 141766755 |
9 | 53287767 |
10 | 25685485 |
11 | 13553981 |
12 | 8728351 |
13 | 5424217 |
14 | 35a8857 |
15 | 23c57aa |
hex | 187eded |
25685485 has 8 divisors (see below), whose sum is σ = 35225856. Its totient is φ = 17612880.
The previous prime is 25685477. The next prime is 25685497. The reversal of 25685485 is 58458652.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25685485 - 23 = 25685477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366901 + ... + 366970.
It is an arithmetic number, because the mean of its divisors is an integer number (4403232).
Almost surely, 225685485 is an apocalyptic number.
It is an amenable number.
25685485 is a deficient number, since it is larger than the sum of its proper divisors (9540371).
25685485 is an equidigital number, since it uses as much as digits as its factorization.
25685485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 733883.
The product of its digits is 384000, while the sum is 43.
The square root of 25685485 is about 5068.0849440395. The cubic root of 25685485 is about 295.0502069100.
The spelling of 25685485 in words is "twenty-five million, six hundred eighty-five thousand, four hundred eighty-five".
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