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5757281 is a prime number
BaseRepresentation
bin10101111101100101100001
3101211111111122
4111331211201
52433213111
6323222025
766636035
oct25754541
911744448
105757281
113282592
121b17915
13126769a
14a9c1c5
1578acdb
hex57d961

5757281 has 2 divisors, whose sum is σ = 5757282. Its totient is φ = 5757280.

The previous prime is 5757277. The next prime is 5757287. The reversal of 5757281 is 1827575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 2588881 = 1780^2 + 1609^2 .

It is a cyclic number.

It is not a de Polignac number, because 5757281 - 22 = 5757277 is a prime.

It is a super-2 number, since 2×57572812 = 66292569025922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5757287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878640 + 2878641.

It is an arithmetic number, because the mean of its divisors is an integer number (2878641).

Almost surely, 25757281 is an apocalyptic number.

It is an amenable number.

5757281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5757281 is an equidigital number, since it uses as much as digits as its factorization.

5757281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19600, while the sum is 35.

The square root of 5757281 is about 2399.4334748019. The cubic root of 5757281 is about 179.2279795445.

The spelling of 5757281 in words is "five million, seven hundred fifty-seven thousand, two hundred eighty-one".