Base | Representation |
---|---|
bin | 1111011110011… |
… | …1111010010010 |
3 | 11112010220221202 |
4 | 3313213322102 |
5 | 113104204132 |
6 | 10235151202 |
7 | 1415515565 |
oct | 367477222 |
9 | 145126852 |
10 | 64913042 |
11 | 33707147 |
12 | 198a5502 |
13 | 105aa2ac |
14 | 889a4dc |
15 | 5a73762 |
hex | 3de7e92 |
64913042 has 8 divisors (see below), whose sum is σ = 98023500. Its totient is φ = 32238544.
The previous prime is 64913033. The next prime is 64913047. The reversal of 64913042 is 24031946.
It can be written as a sum of positive squares in 2 ways, for example, as 58354321 + 6558721 = 7639^2 + 2561^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 64912996 and 64913014.
It is not an unprimeable number, because it can be changed into a prime (64913047) 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 3 ways as a sum of consecutive naturals, for example, 108617 + ... + 109212.
Almost surely, 264913042 is an apocalyptic number.
64913042 is a deficient number, since it is larger than the sum of its proper divisors (33110458).
64913042 is a wasteful number, since it uses less digits than its factorization.
64913042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217980.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 64913042 is about 8056.8630371876. The cubic root of 64913042 is about 401.8931962169.
Adding to 64913042 its reverse (24031946), we get a palindrome (88944988).
The spelling of 64913042 in words is "sixty-four million, nine hundred thirteen thousand, forty-two".
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