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1068861 = 3356287
BaseRepresentation
bin100000100111100111101
32000022012110
410010330331
5233200421
634524233
712041133
oct4047475
92008173
101068861
11670062
12436679
132b5681
141db753
15161a76
hex104f3d

1068861 has 4 divisors (see below), whose sum is σ = 1425152. Its totient is φ = 712572.

The previous prime is 1068857. The next prime is 1068871. The reversal of 1068861 is 1688601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1068861 - 22 = 1068857 is a prime.

It is a super-2 number, since 2×10688612 = 2284927674642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068811) 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, 178141 + ... + 178146.

It is an arithmetic number, because the mean of its divisors is an integer number (356288).

21068861 is an apocalyptic number.

It is an amenable number.

1068861 is a deficient number, since it is larger than the sum of its proper divisors (356291).

1068861 is an equidigital number, since it uses as much as digits as its factorization.

1068861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356290.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1068861 is about 1033.8573402554. The cubic root of 1068861 is about 102.2446070928.

The spelling of 1068861 in words is "one million, sixty-eight thousand, eight hundred sixty-one".

Divisors: 1 3 356287 1068861