Base | Representation |
---|---|
bin | 110000001100… |
… | …1111110110001 |
3 | 1202112221222221 |
4 | 1200121332301 |
5 | 22432202431 |
6 | 2301401041 |
7 | 424545001 |
oct | 140317661 |
9 | 52487887 |
10 | 25272241 |
11 | 132a1455 |
12 | 8569181 |
13 | 530b0b7 |
14 | 34dc001 |
15 | 2343111 |
hex | 1819fb1 |
25272241 has 2 divisors, whose sum is σ = 25272242. Its totient is φ = 25272240.
The previous prime is 25272227. The next prime is 25272257. The reversal of 25272241 is 14227252.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18533025 + 6739216 = 4305^2 + 2596^2 .
It is a cyclic number.
It is not a de Polignac number, because 25272241 - 217 = 25141169 is a prime.
It is not a weakly prime, because it can be changed into another prime (25272271) 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 as a sum of consecutive naturals, namely, 12636120 + 12636121.
It is an arithmetic number, because the mean of its divisors is an integer number (12636121).
Almost surely, 225272241 is an apocalyptic number.
It is an amenable number.
25272241 is a deficient number, since it is larger than the sum of its proper divisors (1).
25272241 is an equidigital number, since it uses as much as digits as its factorization.
25272241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2240, while the sum is 25.
The square root of 25272241 is about 5027.1503856559. The cubic root of 25272241 is about 293.4593276180.
Adding to 25272241 its reverse (14227252), we get a palindrome (39499493).
The spelling of 25272241 in words is "twenty-five million, two hundred seventy-two thousand, two hundred forty-one".
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