Base | Representation |
---|---|
bin | 110000011101… |
… | …1111001001001 |
3 | 1202211000112112 |
4 | 1200323321021 |
5 | 23001124040 |
6 | 2304352105 |
7 | 425663654 |
oct | 140737111 |
9 | 52730475 |
10 | 25411145 |
11 | 13386851 |
12 | 8615635 |
13 | 53593a6 |
14 | 353689b |
15 | 236e365 |
hex | 183be49 |
25411145 has 8 divisors (see below), whose sum is σ = 30546504. Its totient is φ = 20293504.
The previous prime is 25411129. The next prime is 25411153. The reversal of 25411145 is 54111452.
It can be written as a sum of positive squares in 4 ways, for example, as 170569 + 25240576 = 413^2 + 5024^2 .
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 25411145 - 24 = 25411129 is a prime.
It is a super-2 number, since 2×254111452 = 1291452580422050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25411145.
It is an unprimeable number.
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, 1034 + ... + 7203.
It is an arithmetic number, because the mean of its divisors is an integer number (3818313).
Almost surely, 225411145 is an apocalyptic number.
It is an amenable number.
25411145 is a deficient number, since it is larger than the sum of its proper divisors (5135359).
25411145 is an equidigital number, since it uses as much as digits as its factorization.
25411145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8859.
The product of its digits is 800, while the sum is 23.
The square root of 25411145 is about 5040.9468356649. The cubic root of 25411145 is about 293.9959931272.
Adding to 25411145 its reverse (54111452), we get a palindrome (79522597).
The spelling of 25411145 in words is "twenty-five million, four hundred eleven thousand, one hundred forty-five".
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