Search a number
881100 = 2232521189
BaseRepresentation
bin11010111000111001100
31122202122100
43113013030
5211143400
630515100
710326543
oct3270714
91582570
10881100
11551a90
12365a90
1324b07c
1418d15a
15126100
hexd71cc

881100 has 108 divisors (see below), whose sum is σ = 3046680. Its totient is φ = 211200.

The previous prime is 881099. The next prime is 881119. The reversal of 881100 is 1188.

Adding to 881100 its reverse (1188), we get a palindrome (882288).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881100.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 9856 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (28210).

2881100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523340).

881100 is an abundant number, since it is smaller than the sum of its proper divisors (2165580).

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

881100 is a wasteful number, since it uses less digits than its factorization.

881100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 881100 is about 938.6692708297. The cubic root of 881100 is about 95.8683090147.

The spelling of 881100 in words is "eight hundred eighty-one thousand, one hundred".