Base | Representation |
---|---|
bin | 1111010110100… |
… | …1001101110111 |
3 | 11111011120002210 |
4 | 3311221031313 |
5 | 112441102403 |
6 | 10220104503 |
7 | 1411224624 |
oct | 365511567 |
9 | 144146083 |
10 | 64394103 |
11 | 33392274 |
12 | 19695133 |
13 | 10458027 |
14 | 87a334b |
15 | 59beb03 |
hex | 3d69377 |
64394103 has 16 divisors (see below), whose sum is σ = 87426560. Its totient is φ = 42151104.
The previous prime is 64394069. The next prime is 64394107. The reversal of 64394103 is 30149346.
It is not a de Polignac number, because 64394103 - 29 = 64393591 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64394107) 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 15 ways as a sum of consecutive naturals, for example, 61458 + ... + 62496.
It is an arithmetic number, because the mean of its divisors is an integer number (5464160).
Almost surely, 264394103 is an apocalyptic number.
64394103 is a deficient number, since it is larger than the sum of its proper divisors (23032457).
64394103 is a wasteful number, since it uses less digits than its factorization.
64394103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1398.
The product of its (nonzero) digits is 7776, while the sum is 30.
The square root of 64394103 is about 8024.5936345712. The cubic root of 64394103 is about 400.8193683594.
The spelling of 64394103 in words is "sixty-four million, three hundred ninety-four thousand, one hundred three".
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