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65004869 is a prime number
BaseRepresentation
bin1111011111111…
…0010101000101
311112022120220202
43313332111011
5113120123434
610241140245
71416350366
oct367762505
9145276822
1065004869
113376a136
121992a685
1310610027
1488c1b6d
155a90a7e
hex3dfe545

65004869 has 2 divisors, whose sum is σ = 65004870. Its totient is φ = 65004868.

The previous prime is 65004851. The next prime is 65004911. The reversal of 65004869 is 96840056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64995844 + 9025 = 8062^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 65004869 - 216 = 64939333 is a prime.

It is a super-2 number, since 2×650048692 = 8451265987414322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65004829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32502434 + 32502435.

It is an arithmetic number, because the mean of its divisors is an integer number (32502435).

Almost surely, 265004869 is an apocalyptic number.

It is an amenable number.

65004869 is a deficient number, since it is larger than the sum of its proper divisors (1).

65004869 is an equidigital number, since it uses as much as digits as its factorization.

65004869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 65004869 is about 8062.5597052053. The cubic root of 65004869 is about 402.0826150512.

The spelling of 65004869 in words is "sixty-five million, four thousand, eight hundred sixty-nine".