Base | Representation |
---|---|
bin | 110001010010… |
… | …1001000100000 |
3 | 1210121220211211 |
4 | 1202211020200 |
5 | 23103422313 |
6 | 2321515504 |
7 | 432440500 |
oct | 142451040 |
9 | 53556754 |
10 | 25842208 |
11 | 136506a7 |
12 | 87a2b94 |
13 | 547a662 |
14 | 3609a00 |
15 | 2406e3d |
hex | 18a5220 |
25842208 has 36 divisors (see below), whose sum is σ = 59186862. Its totient is φ = 11074560.
The previous prime is 25842203. The next prime is 25842209. The reversal of 25842208 is 80224852.
It can be written as a sum of positive squares in only one way, i.e., 22924944 + 2917264 = 4788^2 + 1708^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 25842208.
It is not an unprimeable number, because it can be changed into a prime (25842203) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6673 + ... + 9808.
Almost surely, 225842208 is an apocalyptic number.
25842208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25842208 is an abundant number, since it is smaller than the sum of its proper divisors (33344654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25842208 is a wasteful number, since it uses less digits than its factorization.
25842208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16505 (or 16490 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 25842208 is about 5083.5231877115. The cubic root of 25842208 is about 295.6490849986.
The spelling of 25842208 in words is "twenty-five million, eight hundred forty-two thousand, two hundred eight".
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