Base | Representation |
---|---|
bin | 110000001001… |
… | …0011001111101 |
3 | 1202111101102202 |
4 | 1200102121331 |
5 | 22430204323 |
6 | 2301001245 |
7 | 424355354 |
oct | 140223175 |
9 | 52441382 |
10 | 25241213 |
11 | 13280108 |
12 | 8553225 |
13 | 52c9c3a |
14 | 34d099b |
15 | 2338d28 |
hex | 181267d |
25241213 has 8 divisors (see below), whose sum is σ = 25806816. Its totient is φ = 24682000.
The previous prime is 25241207. The next prime is 25241231. The reversal of 25241213 is 31214252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25241213 - 212 = 25237117 is a prime.
It is a super-2 number, since 2×252412132 = 1274237667422738, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25241263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6878 + ... + 9888.
It is an arithmetic number, because the mean of its divisors is an integer number (3225852).
Almost surely, 225241213 is an apocalyptic number.
It is an amenable number.
25241213 is a deficient number, since it is larger than the sum of its proper divisors (565603).
25241213 is a wasteful number, since it uses less digits than its factorization.
25241213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3195.
The product of its digits is 480, while the sum is 20.
The square root of 25241213 is about 5024.0633953007. The cubic root of 25241213 is about 293.3391801807.
Adding to 25241213 its reverse (31214252), we get a palindrome (56455465).
The spelling of 25241213 in words is "twenty-five million, two hundred forty-one thousand, two hundred thirteen".
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