Search a number
-
+
1066884 = 223713977
BaseRepresentation
bin100000100011110000100
32000012111020
410010132010
5233120014
634511140
712032310
oct4043604
92005436
101066884
11669625
124354b0
132b47c0
141dab40
151611a9
hex104784

1066884 has 48 divisors (see below), whose sum is σ = 3067008. Its totient is φ = 281088.

The previous prime is 1066883. The next prime is 1066889. The reversal of 1066884 is 4886601.

It is a super-2 number, since 2×10668842 = 2276482938912, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1066883) 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 15 ways as a sum of consecutive naturals, for example, 604 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (63896).

21066884 is an apocalyptic number.

1066884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533504).

1066884 is an abundant number, since it is smaller than the sum of its proper divisors (2000124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066884 is a wasteful number, since it uses less digits than its factorization.

1066884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1066884 is about 1032.9007696773. The cubic root of 1066884 is about 102.1815298722.

The spelling of 1066884 in words is "one million, sixty-six thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 977 1092 1954 2931 3908 5862 6839 11724 12701 13678 20517 25402 27356 38103 41034 50804 76206 82068 88907 152412 177814 266721 355628 533442 1066884