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880813 is a prime number
BaseRepresentation
bin11010111000010101101
31122202020201
43113002231
5211141223
630513501
710325653
oct3270255
91582221
10880813
1155184a
12365891
1324abbb
1418cdd3
15125ead
hexd70ad

880813 has 2 divisors, whose sum is σ = 880814. Its totient is φ = 880812.

The previous prime is 880801. The next prime is 880819. The reversal of 880813 is 318088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779689 + 101124 = 883^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 880813 - 29 = 880301 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880819) 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 as a sum of consecutive naturals, namely, 440406 + 440407.

It is an arithmetic number, because the mean of its divisors is an integer number (440407).

2880813 is an apocalyptic number.

It is an amenable number.

880813 is a deficient number, since it is larger than the sum of its proper divisors (1).

880813 is an equidigital number, since it uses as much as digits as its factorization.

880813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 880813 is about 938.5163823823. The cubic root of 880813 is about 95.8578988484.

The spelling of 880813 in words is "eight hundred eighty thousand, eight hundred thirteen".