Base | Representation |
---|---|
bin | 110000010110… |
… | …0011111110001 |
3 | 1202200211000211 |
4 | 1200230133301 |
5 | 22442114311 |
6 | 2303144121 |
7 | 425312053 |
oct | 140543761 |
9 | 52624024 |
10 | 25348081 |
11 | 13343430 |
12 | 85a5041 |
13 | 5336785 |
14 | 351b8d3 |
15 | 235a821 |
hex | 182c7f1 |
25348081 has 8 divisors (see below), whose sum is σ = 27690624. Its totient is φ = 23011920.
The previous prime is 25348079. The next prime is 25348091. The reversal of 25348081 is 18084352.
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 25348081 - 21 = 25348079 is a prime.
It is a super-2 number, since 2×253480812 = 1285050420765122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25348021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11256 + ... + 13318.
It is an arithmetic number, because the mean of its divisors is an integer number (3461328).
Almost surely, 225348081 is an apocalyptic number.
It is an amenable number.
25348081 is a deficient number, since it is larger than the sum of its proper divisors (2342543).
25348081 is a wasteful number, since it uses less digits than its factorization.
25348081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3191.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 25348081 is about 5034.6877758209. The cubic root of 25348081 is about 293.7525838916.
The spelling of 25348081 in words is "twenty-five million, three hundred forty-eight thousand, eighty-one".
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