Base | Representation |
---|---|
bin | 110000011011… |
… | …0110100000101 |
3 | 1202202222000000 |
4 | 1200312310011 |
5 | 22444442331 |
6 | 2304111513 |
7 | 425546214 |
oct | 140666405 |
9 | 52688000 |
10 | 25390341 |
11 | 13372159 |
12 | 8605599 |
13 | 534ca92 |
14 | 352d07b |
15 | 23680e6 |
hex | 1836d05 |
25390341 has 28 divisors (see below), whose sum is σ = 39413580. Its totient is φ = 16329600.
The previous prime is 25390331. The next prime is 25390361. The reversal of 25390341 is 14309352.
It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 21068100 = 2079^2 + 4590^2 .
It is not a de Polignac number, because 25390341 - 29 = 25389829 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25390301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20541 + ... + 21741.
Almost surely, 225390341 is an apocalyptic number.
It is an amenable number.
25390341 is a deficient number, since it is larger than the sum of its proper divisors (14023239).
25390341 is an equidigital number, since it uses as much as digits as its factorization.
25390341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1248 (or 1233 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 25390341 is about 5038.8829119161. The cubic root of 25390341 is about 293.9157401185.
Adding to 25390341 its reverse (14309352), we get a palindrome (39699693).
The spelling of 25390341 in words is "twenty-five million, three hundred ninety thousand, three hundred forty-one".
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