Base | Representation |
---|---|
bin | 1111100011011… |
… | …1111111000001 |
3 | 11112202120212021 |
4 | 3320313333001 |
5 | 113200203100 |
6 | 10250201441 |
7 | 1421353033 |
oct | 370677701 |
9 | 145676767 |
10 | 65241025 |
11 | 33910603 |
12 | 19a23281 |
13 | 10693675 |
14 | 8943c53 |
15 | 5adaa1a |
hex | 3e37fc1 |
65241025 has 24 divisors (see below), whose sum is σ = 83030400. Its totient is φ = 50836800.
The previous prime is 65241017. The next prime is 65241037. The reversal of 65241025 is 52014256.
It is not a de Polignac number, because 65241025 - 23 = 65241017 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272856 + ... + 273094.
It is an arithmetic number, because the mean of its divisors is an integer number (3459600).
Almost surely, 265241025 is an apocalyptic number.
It is an amenable number.
65241025 is a deficient number, since it is larger than the sum of its proper divisors (17789375).
65241025 is a wasteful number, since it uses less digits than its factorization.
65241025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 489 (or 484 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 65241025 is about 8077.1916530438. The cubic root of 65241025 is about 402.5689348644.
The spelling of 65241025 in words is "sixty-five million, two hundred forty-one thousand, twenty-five".
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