Base | Representation |
---|---|
bin | 1111010110000… |
… | …1010001000101 |
3 | 11111002220102210 |
4 | 3311201101011 |
5 | 112434032131 |
6 | 10215254033 |
7 | 1411030656 |
oct | 365412105 |
9 | 144086383 |
10 | 64361541 |
11 | 3336a862 |
12 | 1967a319 |
13 | 1044626a |
14 | 879552d |
15 | 59b5146 |
hex | 3d61445 |
64361541 has 16 divisors (see below), whose sum is σ = 91309248. Its totient is φ = 40185600.
The previous prime is 64361509. The next prime is 64361551. The reversal of 64361541 is 14516346.
It is not a de Polignac number, because 64361541 - 25 = 64361509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64361499 and 64361508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64361551) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7771 + ... + 13751.
It is an arithmetic number, because the mean of its divisors is an integer number (5706828).
Almost surely, 264361541 is an apocalyptic number.
It is an amenable number.
64361541 is a deficient number, since it is larger than the sum of its proper divisors (26947707).
64361541 is a wasteful number, since it uses less digits than its factorization.
64361541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6212.
The product of its digits is 8640, while the sum is 30.
The square root of 64361541 is about 8022.5644902363. The cubic root of 64361541 is about 400.7517965363.
Adding to 64361541 its reverse (14516346), we get a palindrome (78877887).
The spelling of 64361541 in words is "sixty-four million, three hundred sixty-one thousand, five hundred forty-one".
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