Base | Representation |
---|---|
bin | 1111010010100… |
… | …1000100001101 |
3 | 11110200012122212 |
4 | 3310221010031 |
5 | 112404200331 |
6 | 10210320205 |
7 | 1406051561 |
oct | 364510415 |
9 | 143605585 |
10 | 64131341 |
11 | 3322290a |
12 | 19589065 |
13 | 10395551 |
14 | 87356a1 |
15 | 596bd2b |
hex | 3d2910d |
64131341 has 2 divisors, whose sum is σ = 64131342. Its totient is φ = 64131340.
The previous prime is 64131329. The next prime is 64131367. The reversal of 64131341 is 14313146.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 55071241 + 9060100 = 7421^2 + 3010^2 .
It is a cyclic number.
It is not a de Polignac number, because 64131341 - 210 = 64130317 is a prime.
It is a super-2 number, since 2×641313412 = 8225657796916562, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64131311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32065670 + 32065671.
It is an arithmetic number, because the mean of its divisors is an integer number (32065671).
Almost surely, 264131341 is an apocalyptic number.
It is an amenable number.
64131341 is a deficient number, since it is larger than the sum of its proper divisors (1).
64131341 is an equidigital number, since it uses as much as digits as its factorization.
64131341 is an evil number, because the sum of its binary digits is even.
The product of its digits is 864, while the sum is 23.
The square root of 64131341 is about 8008.2046052783. The cubic root of 64131341 is about 400.2734401170.
Adding to 64131341 its reverse (14313146), we get a palindrome (78444487).
The spelling of 64131341 in words is "sixty-four million, one hundred thirty-one thousand, three hundred forty-one".
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