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1066289 = 7247463
BaseRepresentation
bin100000100010100110001
32000011200012
410010110301
5233110124
634504305
712030500
oct4042461
92004605
101066289
11669134
12435095
132b4453
141da837
15160e0e
hex104531

1066289 has 12 divisors (see below), whose sum is σ = 1269504. Its totient is φ = 892584.

The previous prime is 1066283. The next prime is 1066297. The reversal of 1066289 is 9826601.

It is not a de Polignac number, because 1066289 - 220 = 17713 is a prime.

It is a super-2 number, since 2×10662892 = 2273944463042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066283) 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 in 11 ways as a sum of consecutive naturals, for example, 2072 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (105792).

21066289 is an apocalyptic number.

It is an amenable number.

1066289 is a deficient number, since it is larger than the sum of its proper divisors (203215).

1066289 is an equidigital number, since it uses as much as digits as its factorization.

1066289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1066289 is about 1032.6127057130. The cubic root of 1066289 is about 102.1625308320.

The spelling of 1066289 in words is "one million, sixty-six thousand, two hundred eighty-nine".

Divisors: 1 7 47 49 329 463 2303 3241 21761 22687 152327 1066289