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881166 = 231113279
BaseRepresentation
bin11010111001000001110
31122202201210
43113020032
5211144131
630515250
710326666
oct3271016
91582653
10881166
11552040
12365b26
1324b100
1418d1a6
15126146
hexd720e

881166 has 48 divisors (see below), whose sum is σ = 2108160. Its totient is φ = 243360.

The previous prime is 881159. The next prime is 881171. The reversal of 881166 is 661188.

881166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

881166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11115 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (43920).

2881166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054080).

881166 is an abundant number, since it is smaller than the sum of its proper divisors (1226994).

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

881166 is a wasteful number, since it uses less digits than its factorization.

881166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

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

The square root of 881166 is about 938.7044263239. The cubic root of 881166 is about 95.8707026705.

The spelling of 881166 in words is "eight hundred eighty-one thousand, one hundred sixty-six".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 79 143 158 169 237 286 338 429 474 507 858 869 1014 1027 1738 1859 2054 2607 3081 3718 5214 5577 6162 11154 11297 13351 22594 26702 33891 40053 67782 80106 146861 293722 440583 881166