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1057393 is a prime number
BaseRepresentation
bin100000010001001110001
31222201110201
410002021301
5232314033
634355201
711662531
oct4021161
91881421
101057393
11662487
1242bb01
132b039c
141d74c1
1515d47d
hex102271

1057393 has 2 divisors, whose sum is σ = 1057394. Its totient is φ = 1057392.

The previous prime is 1057391. The next prime is 1057411. The reversal of 1057393 is 3937501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034289 + 23104 = 1017^2 + 152^2 .

It is an emirp because it is prime and its reverse (3937501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1057393 - 21 = 1057391 is a prime.

It is a super-2 number, since 2×10573932 = 2236159912898, which contains 22 as substring.

Together with 1057391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1057391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528696 + 528697.

It is an arithmetic number, because the mean of its divisors is an integer number (528697).

21057393 is an apocalyptic number.

It is an amenable number.

1057393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057393 is an equidigital number, since it uses as much as digits as its factorization.

1057393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 1057393 is about 1028.2961635638. The cubic root of 1057393 is about 101.8776246078.

The spelling of 1057393 in words is "one million, fifty-seven thousand, three hundred ninety-three".