Base | Representation |
---|---|
bin | 1111011110000… |
… | …0110101001001 |
3 | 11112002110011122 |
4 | 3313200311021 |
5 | 113102242131 |
6 | 10234405025 |
7 | 1415335205 |
oct | 367406511 |
9 | 145073148 |
10 | 64884041 |
11 | 33697382 |
12 | 19890775 |
13 | 1059a031 |
14 | 888db05 |
15 | 5a69d7b |
hex | 3de0d49 |
64884041 has 2 divisors, whose sum is σ = 64884042. Its totient is φ = 64884040.
The previous prime is 64884013. The next prime is 64884067. The reversal of 64884041 is 14048846.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 64336441 + 547600 = 8021^2 + 740^2 .
It is a cyclic number.
It is not a de Polignac number, because 64884041 - 210 = 64883017 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 64883992 and 64884010.
It is not a weakly prime, because it can be changed into another prime (64814041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32442020 + 32442021.
It is an arithmetic number, because the mean of its divisors is an integer number (32442021).
Almost surely, 264884041 is an apocalyptic number.
It is an amenable number.
64884041 is a deficient number, since it is larger than the sum of its proper divisors (1).
64884041 is an equidigital number, since it uses as much as digits as its factorization.
64884041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24576, while the sum is 35.
The square root of 64884041 is about 8055.0630661715. The cubic root of 64884041 is about 401.8333364394.
The spelling of 64884041 in words is "sixty-four million, eight hundred eighty-four thousand, forty-one".
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