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881071 is a prime number
BaseRepresentation
bin11010111000110101111
31122202121021
43113012233
5211143241
630515011
710326502
oct3270657
91582537
10881071
11551a64
12365a67
1324b059
1418d139
151260d1
hexd71af

881071 has 2 divisors, whose sum is σ = 881072. Its totient is φ = 881070.

The previous prime is 881057. The next prime is 881077. The reversal of 881071 is 170188.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 881071 - 29 = 880559 is a prime.

It is a super-2 number, since 2×8810712 = 1552572214082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881077) by changing a digit.

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 as a sum of consecutive naturals, namely, 440535 + 440536.

It is an arithmetic number, because the mean of its divisors is an integer number (440536).

2881071 is an apocalyptic number.

881071 is a deficient number, since it is larger than the sum of its proper divisors (1).

881071 is an equidigital number, since it uses as much as digits as its factorization.

881071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 881071 is about 938.6538233023. The cubic root of 881071 is about 95.8672572191.

The spelling of 881071 in words is "eight hundred eighty-one thousand, seventy-one".