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2870081 is a prime number
BaseRepresentation
bin1010111100101101000001
312101211000022
422330231001
51213320311
6141303225
733252404
oct12745501
95354008
102870081
111690375
12b64b15
13796496
14549d3b
153ba5db
hex2bcb41

2870081 has 2 divisors, whose sum is σ = 2870082. Its totient is φ = 2870080.

The previous prime is 2870051. The next prime is 2870089. The reversal of 2870081 is 1800782.

2870081 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., 2835856 + 34225 = 1684^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2870081 - 26 = 2870017 is a prime.

It is a super-2 number, since 2×28700812 = 16474729893122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2870081.

It is not a weakly prime, because it can be changed into another prime (2870089) 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, 1435040 + 1435041.

It is an arithmetic number, because the mean of its divisors is an integer number (1435041).

22870081 is an apocalyptic number.

It is an amenable number.

2870081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870081 is an equidigital number, since it uses as much as digits as its factorization.

2870081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 2870081 is about 1694.1313408352. The cubic root of 2870081 is about 142.1122071523.

The spelling of 2870081 in words is "two million, eight hundred seventy thousand, eighty-one".