Base | Representation |
---|---|
bin | 1111010001100… |
… | …1000111111101 |
3 | 11110112220002111 |
4 | 3310121013331 |
5 | 112400103140 |
6 | 10205054021 |
7 | 1405360321 |
oct | 364310775 |
9 | 143486074 |
10 | 64066045 |
11 | 3318884a |
12 | 19557311 |
13 | 10371904 |
14 | 8719981 |
15 | 59577ea |
hex | 3d191fd |
64066045 has 8 divisors (see below), whose sum is σ = 77011200. Its totient is φ = 51164880.
The previous prime is 64066031. The next prime is 64066049. The reversal of 64066045 is 54066046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64066045 - 217 = 63934973 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64065998 and 64066016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64066049) 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, 7701 + ... + 13690.
It is an arithmetic number, because the mean of its divisors is an integer number (9626400).
Almost surely, 264066045 is an apocalyptic number.
It is an amenable number.
64066045 is a deficient number, since it is larger than the sum of its proper divisors (12945155).
64066045 is a wasteful number, since it uses less digits than its factorization.
64066045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21995.
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 64066045 is about 8004.1267481219. The cubic root of 64066045 is about 400.1375464470.
Subtracting from 64066045 its reverse (54066046), we obtain a palindrome (9999999).
The spelling of 64066045 in words is "sixty-four million, sixty-six thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •