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493852817 is a prime number
BaseRepresentation
bin11101011011111…
…001100010010001
31021102021022201002
4131123321202101
52002411242232
6121000551345
715144452063
oct3533714221
91242238632
10493852817
11233848a27
12119482555
137b412103
1449835733
152d551b62
hex1d6f9891

493852817 has 2 divisors, whose sum is σ = 493852818. Its totient is φ = 493852816.

The previous prime is 493852789. The next prime is 493852819. The reversal of 493852817 is 718258394.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487482241 + 6370576 = 22079^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 493852817 - 28 = 493852561 is a prime.

Together with 493852819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493852819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246926408 + 246926409.

It is an arithmetic number, because the mean of its divisors is an integer number (246926409).

Almost surely, 2493852817 is an apocalyptic number.

It is an amenable number.

493852817 is a deficient number, since it is larger than the sum of its proper divisors (1).

493852817 is an equidigital number, since it uses as much as digits as its factorization.

493852817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 493852817 is about 22222.7994861134. The cubic root of 493852817 is about 790.4344227123.

The spelling of 493852817 in words is "four hundred ninety-three million, eight hundred fifty-two thousand, eight hundred seventeen".