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1068931 = 10191049
BaseRepresentation
bin100000100111110000011
32000022022001
410010332003
5233201211
634524431
712041263
oct4047603
92008261
101068931
11670116
12436717
132b5706
141db7a3
15161ac1
hex104f83

1068931 has 4 divisors (see below), whose sum is σ = 1071000. Its totient is φ = 1066864.

The previous prime is 1068917. The next prime is 1068941. The reversal of 1068931 is 1398601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1398601 = 11312377.

It is a cyclic number.

It is not a de Polignac number, because 1068931 - 27 = 1068803 is a prime.

It is a super-2 number, since 2×10689312 = 2285226965522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068931.

It is not an unprimeable number, because it can be changed into a prime (1068901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (267750).

21068931 is an apocalyptic number.

1068931 is a deficient number, since it is larger than the sum of its proper divisors (2069).

1068931 is a wasteful number, since it uses less digits than its factorization.

1068931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1068931 is about 1033.8911935015. The cubic root of 1068931 is about 102.2468390532.

The spelling of 1068931 in words is "one million, sixty-eight thousand, nine hundred thirty-one".

Divisors: 1 1019 1049 1068931