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881057 is a prime number
BaseRepresentation
bin11010111000110100001
31122202120202
43113012201
5211143212
630514545
710326452
oct3270641
91582522
10881057
11551a51
12365a55
1324b048
1418d129
151260c2
hexd71a1

881057 has 2 divisors, whose sum is σ = 881058. Its totient is φ = 881056.

The previous prime is 881029. The next prime is 881071. The reversal of 881057 is 750188.

It is a happy number.

881057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654481 + 226576 = 809^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 881057 - 26 = 880993 is a prime.

It is a super-2 number, since 2×8810572 = 1552522874498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (881017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440528 + 440529.

It is an arithmetic number, because the mean of its divisors is an integer number (440529).

2881057 is an apocalyptic number.

It is an amenable number.

881057 is a deficient number, since it is larger than the sum of its proper divisors (1).

881057 is an equidigital number, since it uses as much as digits as its factorization.

881057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 881057 is about 938.6463657843. The cubic root of 881057 is about 95.8667494474.

The spelling of 881057 in words is "eight hundred eighty-one thousand, fifty-seven".