Base | Representation |
---|---|
bin | 1111101110100… |
… | …1100001110001 |
3 | 11121010112102012 |
4 | 3323221201301 |
5 | 113341440431 |
6 | 10313532305 |
7 | 1430502143 |
oct | 373514161 |
9 | 147115365 |
10 | 65968241 |
11 | 34267a09 |
12 | 1a114095 |
13 | 10889681 |
14 | 8a92c93 |
15 | 5bd122b |
hex | 3ee9871 |
65968241 has 4 divisors (see below), whose sum is σ = 65996400. Its totient is φ = 65940084.
The previous prime is 65968229. The next prime is 65968249. The reversal of 65968241 is 14286956.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-65968241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65968249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211 + ... + 15368.
It is an arithmetic number, because the mean of its divisors is an integer number (16499100).
Almost surely, 265968241 is an apocalyptic number.
It is an amenable number.
65968241 is a deficient number, since it is larger than the sum of its proper divisors (28159).
65968241 is a wasteful number, since it uses less digits than its factorization.
65968241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28158.
The product of its digits is 103680, while the sum is 41.
The square root of 65968241 is about 8122.0835381077. The cubic root of 65968241 is about 404.0591705805.
The spelling of 65968241 in words is "sixty-five million, nine hundred sixty-eight thousand, two hundred forty-one".
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