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880685 = 51317797
BaseRepresentation
bin11010111000000101101
31122202001222
43113000231
5211140220
630513125
710325411
oct3270055
91582058
10880685
11551743
123657a5
1324ab20
1418cd41
15125e25
hexd702d

880685 has 16 divisors (see below), whose sum is σ = 1206576. Its totient is φ = 611328.

The previous prime is 880681. The next prime is 880687. The reversal of 880685 is 586088.

880685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13924 + 866761 = 118^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 880685 - 22 = 880681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 880685.

It is not an unprimeable number, because it can be changed into a prime (880681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2880685 is an apocalyptic number.

880685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

880685 is a deficient number, since it is larger than the sum of its proper divisors (325891).

880685 is a wasteful number, since it uses less digits than its factorization.

880685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 880685 is about 938.4481871686. The cubic root of 880685 is about 95.8532552576.

The spelling of 880685 in words is "eight hundred eighty thousand, six hundred eighty-five".

Divisors: 1 5 13 17 65 85 221 797 1105 3985 10361 13549 51805 67745 176137 880685