Base | Representation |
---|---|
bin | 1111010001011… |
… | …1111111011001 |
3 | 11110112122201111 |
4 | 3310113333121 |
5 | 112344431101 |
6 | 10205020321 |
7 | 1405340635 |
oct | 364277731 |
9 | 143478644 |
10 | 64061401 |
11 | 33185308 |
12 | 195546a1 |
13 | 1036c771 |
14 | 8717dc5 |
15 | 5956251 |
hex | 3d17fd9 |
64061401 has 2 divisors, whose sum is σ = 64061402. Its totient is φ = 64061400.
The previous prime is 64061363. The next prime is 64061429. The reversal of 64061401 is 10416046.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63920025 + 141376 = 7995^2 + 376^2 .
It is a cyclic number.
It is not a de Polignac number, because 64061401 - 217 = 63930329 is a prime.
It is not a weakly prime, because it can be changed into another prime (64061461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32030700 + 32030701.
It is an arithmetic number, because the mean of its divisors is an integer number (32030701).
Almost surely, 264061401 is an apocalyptic number.
It is an amenable number.
64061401 is a deficient number, since it is larger than the sum of its proper divisors (1).
64061401 is an equidigital number, since it uses as much as digits as its factorization.
64061401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 64061401 is about 8003.8366425109. The cubic root of 64061401 is about 400.1278778638.
Adding to 64061401 its reverse (10416046), we get a palindrome (74477447).
The spelling of 64061401 in words is "sixty-four million, sixty-one thousand, four hundred one".
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