Base | Representation |
---|---|
bin | 1111010111111… |
… | …0011100001001 |
3 | 11111022222100102 |
4 | 3311332130021 |
5 | 113001343113 |
6 | 10222015145 |
7 | 1412036231 |
oct | 365763411 |
9 | 144288312 |
10 | 64481033 |
11 | 33441611 |
12 | 197174b5 |
13 | 10488776 |
14 | 87c6cc1 |
15 | 59da758 |
hex | 3d7e709 |
64481033 has 2 divisors, whose sum is σ = 64481034. Its totient is φ = 64481032.
The previous prime is 64481009. The next prime is 64481057. The reversal of 64481033 is 33018446.
It is a balanced prime because it is at equal distance from previous prime (64481009) and next prime (64481057).
It can be written as a sum of positive squares in only one way, i.e., 50879689 + 13601344 = 7133^2 + 3688^2 .
It is a cyclic number.
It is not a de Polignac number, because 64481033 - 214 = 64464649 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64480987 and 64481005.
It is not a weakly prime, because it can be changed into another prime (64481063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32240516 + 32240517.
It is an arithmetic number, because the mean of its divisors is an integer number (32240517).
Almost surely, 264481033 is an apocalyptic number.
It is an amenable number.
64481033 is a deficient number, since it is larger than the sum of its proper divisors (1).
64481033 is an equidigital number, since it uses as much as digits as its factorization.
64481033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 29.
The square root of 64481033 is about 8030.0082814403. The cubic root of 64481033 is about 400.9996517432. Note that the first 3 decimals are identical.
Adding to 64481033 its reverse (33018446), we get a palindrome (97499479).
The spelling of 64481033 in words is "sixty-four million, four hundred eighty-one thousand, thirty-three".
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