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1082881 is a prime number
BaseRepresentation
bin100001000011000000001
32001000102201
410020120001
5234123011
635113201
712130042
oct4103001
92030381
101082881
1167a648
12442801
132bbb77
142028c9
15165cc1
hex108601

1082881 has 2 divisors, whose sum is σ = 1082882. Its totient is φ = 1082880.

The previous prime is 1082801. The next prime is 1082891. The reversal of 1082881 is 1882801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032256 + 50625 = 1016^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082881 - 29 = 1082369 is a prime.

It is a super-2 number, since 2×10828812 = 2345262520322, which contains 22 as substring.

1082881 is a lucky number.

It is equal to p84484 and since 1082881 and 84484 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1082801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541440 + 541441.

It is an arithmetic number, because the mean of its divisors is an integer number (541441).

21082881 is an apocalyptic number.

It is an amenable number.

1082881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082881 is an equidigital number, since it uses as much as digits as its factorization.

1082881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1082881 is about 1040.6156831415. The cubic root of 1082881 is about 102.6897061822.

The spelling of 1082881 in words is "one million, eighty-two thousand, eight hundred eighty-one".