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1068986 = 21812953
BaseRepresentation
bin100000100111110111010
32000022101002
410010332322
5233201421
634525002
712041402
oct4047672
92008332
101068986
11670166
12436762
132b5749
141db802
15161b0b
hex104fba

1068986 has 8 divisors (see below), whose sum is σ = 1612884. Its totient is φ = 531360.

The previous prime is 1068941. The next prime is 1068989. The reversal of 1068986 is 6898601.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 30625 = 1019^2 + 175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10689862 = 2285462136392, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1068989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115 + ... + 1838.

21068986 is an apocalyptic number.

1068986 is a deficient number, since it is larger than the sum of its proper divisors (543898).

1068986 is a wasteful number, since it uses less digits than its factorization.

1068986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1068986 is about 1033.9177917030. The cubic root of 1068986 is about 102.2485926680.

The spelling of 1068986 in words is "one million, sixty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 181 362 2953 5906 534493 1068986