Base | Representation |
---|---|
bin | 1111010101001… |
… | …1011110001111 |
3 | 11111000000221010 |
4 | 3311103132033 |
5 | 112430230124 |
6 | 10214140303 |
7 | 1410404151 |
oct | 365233617 |
9 | 144000833 |
10 | 64305039 |
11 | 33331367 |
12 | 19651693 |
13 | 10426626 |
14 | 877cad1 |
15 | 59a3529 |
hex | 3d5378f |
64305039 has 8 divisors (see below), whose sum is σ = 85847040. Its totient is φ = 42816536.
The previous prime is 64305037. The next prime is 64305049. The reversal of 64305039 is 93050346.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64305039 - 21 = 64305037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64304997 and 64305015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64305037) 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 7 ways as a sum of consecutive naturals, for example, 10479 + ... + 15440.
It is an arithmetic number, because the mean of its divisors is an integer number (10730880).
Almost surely, 264305039 is an apocalyptic number.
64305039 is a deficient number, since it is larger than the sum of its proper divisors (21542001).
64305039 is a wasteful number, since it uses less digits than its factorization.
64305039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26749.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 64305039 is about 8019.0422744864. The cubic root of 64305039 is about 400.6344909376.
The spelling of 64305039 in words is "sixty-four million, three hundred five thousand, thirty-nine".
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