Base | Representation |
---|---|
bin | 1111011001000… |
… | …1110001110001 |
3 | 11111111000000001 |
4 | 3312101301301 |
5 | 113011411431 |
6 | 10223430001 |
7 | 1412516164 |
oct | 366216161 |
9 | 144430001 |
10 | 64560241 |
11 | 33496079 |
12 | 19755301 |
13 | 104b5835 |
14 | 8807adb |
15 | 5a03e61 |
hex | 3d91c71 |
64560241 has 8 divisors (see below), whose sum is σ = 67541760. Its totient is φ = 61593312.
The previous prime is 64560239. The next prime is 64560247. The reversal of 64560241 is 14206546.
64560241 = T6559 + T6560 + T6561.
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 64560241 - 21 = 64560239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64560247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5976 + ... + 12838.
It is an arithmetic number, because the mean of its divisors is an integer number (8442720).
Almost surely, 264560241 is an apocalyptic number.
64560241 is the 6561-st centered triangular number.
It is an amenable number.
64560241 is a deficient number, since it is larger than the sum of its proper divisors (2981519).
64560241 is a wasteful number, since it uses less digits than its factorization.
64560241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7295.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 64560241 is about 8034.9387676572. The cubic root of 64560241 is about 401.1637795094.
Adding to 64560241 its reverse (14206546), we get a palindrome (78766787).
The spelling of 64560241 in words is "sixty-four million, five hundred sixty thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •