Base | Representation |
---|---|
bin | 1111100011100… |
… | …1101100101111 |
3 | 11112202221111100 |
4 | 3320321230233 |
5 | 113200414142 |
6 | 10250254143 |
7 | 1421412354 |
oct | 370715457 |
9 | 145687440 |
10 | 65248047 |
11 | 33915907 |
12 | 19a27353 |
13 | 10696917 |
14 | 894662b |
15 | 5adcb4c |
hex | 3e39b2f |
65248047 has 12 divisors (see below), whose sum is σ = 94325400. Its totient is φ = 43462608.
The previous prime is 65248037. The next prime is 65248049. The reversal of 65248047 is 74084256.
65248047 is nontrivially palindromic in base 4.
It is not a de Polignac number, because 65248047 - 212 = 65243951 is a prime.
It is a super-3 number, since 3×652480473 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65248049) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 12829 + ... + 17177.
It is an arithmetic number, because the mean of its divisors is an integer number (7860450).
Almost surely, 265248047 is an apocalyptic number.
65248047 is a deficient number, since it is larger than the sum of its proper divisors (29077353).
65248047 is a wasteful number, since it uses less digits than its factorization.
65248047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6022 (or 6019 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 65248047 is about 8077.6263221320. The cubic root of 65248047 is about 402.5833774008.
The spelling of 65248047 in words is "sixty-five million, two hundred forty-eight thousand, forty-seven".
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