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881061 = 3231132
BaseRepresentation
bin11010111000110100101
31122202120220
43113012211
5211143221
630514553
710326456
oct3270645
91582526
10881061
11551a55
12365a59
1324b04c
1418d12d
151260c6
hexd71a5

881061 has 12 divisors (see below), whose sum is σ = 1236768. Its totient is φ = 556864.

The previous prime is 881057. The next prime is 881071. The reversal of 881061 is 160188.

It is not a de Polignac number, because 881061 - 22 = 881057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881071) 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 11 ways as a sum of consecutive naturals, for example, 7741 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (103064).

2881061 is an apocalyptic number.

It is an amenable number.

881061 is a deficient number, since it is larger than the sum of its proper divisors (355707).

881061 is a wasteful number, since it uses less digits than its factorization.

881061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 881061 is about 938.6484965097. The cubic root of 881061 is about 95.8668945256.

The spelling of 881061 in words is "eight hundred eighty-one thousand, sixty-one".

Divisors: 1 3 23 69 113 339 2599 7797 12769 38307 293687 881061