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881085 = 35151389
BaseRepresentation
bin11010111000110111101
31122202121210
43113012331
5211143320
630515033
710326522
oct3270675
91582553
10881085
11551a77
12365a79
1324b06a
1418d149
151260e0
hexd71bd

881085 has 16 divisors (see below), whose sum is σ = 1422720. Its totient is φ = 465600.

The previous prime is 881077. The next prime is 881099. The reversal of 881085 is 580188.

It is not a de Polignac number, because 881085 - 23 = 881077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

2881085 is an apocalyptic number.

It is an amenable number.

881085 is a deficient number, since it is larger than the sum of its proper divisors (541635).

881085 is a wasteful number, since it uses less digits than its factorization.

881085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 881085 is about 938.6612807611. The cubic root of 881085 is about 95.8677649854.

The spelling of 881085 in words is "eight hundred eighty-one thousand, eighty-five".

Divisors: 1 3 5 15 151 389 453 755 1167 1945 2265 5835 58739 176217 293695 881085