Base | Representation |
---|---|
bin | 110000000101… |
… | …0000000111001 |
3 | 1202102122021201 |
4 | 1200022000321 |
5 | 22423104331 |
6 | 2300134201 |
7 | 424153222 |
oct | 140120071 |
9 | 52378251 |
10 | 25206841 |
11 | 13257300 |
12 | 8537361 |
13 | 52b73ba |
14 | 34c2249 |
15 | 232da61 |
hex | 180a039 |
25206841 has 12 divisors (see below), whose sum is σ = 28388052. Its totient is φ = 22352000.
The previous prime is 25206803. The next prime is 25206871. The reversal of 25206841 is 14860252.
It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 23001616 = 1485^2 + 4796^2 .
It is not a de Polignac number, because 25206841 - 29 = 25206329 is a prime.
It is a super-3 number, since 3×252068413 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (25206871) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2421 + ... + 7501.
It is an arithmetic number, because the mean of its divisors is an integer number (2365671).
Almost surely, 225206841 is an apocalyptic number.
It is an amenable number.
25206841 is a deficient number, since it is larger than the sum of its proper divisors (3181211).
25206841 is a wasteful number, since it uses less digits than its factorization.
25206841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5144 (or 5133 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 25206841 is about 5020.6414928772. The cubic root of 25206841 is about 293.2059690124.
The spelling of 25206841 in words is "twenty-five million, two hundred six thousand, eight hundred forty-one".
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