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465741821 is a prime number
BaseRepresentation
bin11011110000101…
…010011111111101
31012110101010200002
4123300222133331
51423212214241
6114114244045
714353511606
oct3360523775
91173333602
10465741821
112199987a6
1210bb86625
137564bb9c
1445bd8dad
152ad4c89b
hex1bc2a7fd

465741821 has 2 divisors, whose sum is σ = 465741822. Its totient is φ = 465741820.

The previous prime is 465741781. The next prime is 465741823. The reversal of 465741821 is 128147564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301543225 + 164198596 = 17365^2 + 12814^2 .

It is a cyclic number.

It is not a de Polignac number, because 465741821 - 222 = 461547517 is a prime.

It is a Sophie Germain prime.

Together with 465741823, it forms a pair of twin primes.

It is a Chen 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 (465741823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232870910 + 232870911.

It is an arithmetic number, because the mean of its divisors is an integer number (232870911).

Almost surely, 2465741821 is an apocalyptic number.

It is an amenable number.

465741821 is a deficient number, since it is larger than the sum of its proper divisors (1).

465741821 is an equidigital number, since it uses as much as digits as its factorization.

465741821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 465741821 is about 21581.0523608095. The cubic root of 465741821 is about 775.1428503934.

The spelling of 465741821 in words is "four hundred sixty-five million, seven hundred forty-one thousand, eight hundred twenty-one".