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2775041 is a prime number
BaseRepresentation
bin1010100101100000000001
312012222122022
422211200001
51202300131
6135251225
732405333
oct12454001
95188568
102775041
111625a25
12b19b15
13762149
14523453
1539c37b
hex2a5801

2775041 has 2 divisors, whose sum is σ = 2775042. Its totient is φ = 2775040.

The previous prime is 2775011. The next prime is 2775043. The reversal of 2775041 is 1405772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 758641 = 1420^2 + 871^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775041 - 218 = 2512897 is a prime.

Together with 2775043, it forms a pair of twin primes.

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 2775041.

It is not a weakly prime, because it can be changed into another prime (2775043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387520 + 1387521.

It is an arithmetic number, because the mean of its divisors is an integer number (1387521).

It is a Proth number, since it is equal to 1355 ⋅ 211 + 1 and 1355 < 211.

22775041 is an apocalyptic number.

It is an amenable number.

2775041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775041 is an equidigital number, since it uses as much as digits as its factorization.

2775041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 2775041 is about 1665.8454310049. The cubic root of 2775041 is about 140.5259299584.

The spelling of 2775041 in words is "two million, seven hundred seventy-five thousand, forty-one".