Base | Representation |
---|---|
bin | 1111010101010… |
… | …1111010100011 |
3 | 11111000112122122 |
4 | 3311111322203 |
5 | 112431040133 |
6 | 10214254455 |
7 | 1410445262 |
oct | 365257243 |
9 | 144015578 |
10 | 64315043 |
11 | 33338931 |
12 | 1965742b |
13 | 1042b050 |
14 | 87825d9 |
15 | 59a6498 |
hex | 3d55ea3 |
64315043 has 4 divisors (see below), whose sum is σ = 69262368. Its totient is φ = 59367720.
The previous prime is 64315039. The next prime is 64315093. The reversal of 64315043 is 34051346.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 64315043 - 22 = 64315039 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64315093) 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, 2473643 + ... + 2473668.
It is an arithmetic number, because the mean of its divisors is an integer number (17315592).
Almost surely, 264315043 is an apocalyptic number.
64315043 is a deficient number, since it is larger than the sum of its proper divisors (4947325).
64315043 is a wasteful number, since it uses less digits than its factorization.
64315043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4947324.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 64315043 is about 8019.6660154897. Note that the first 3 decimals coincide. The cubic root of 64315043 is about 400.6552655648.
Adding to 64315043 its reverse (34051346), we get a palindrome (98366389).
The spelling of 64315043 in words is "sixty-four million, three hundred fifteen thousand, forty-three".
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