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2744081 is a prime number
BaseRepresentation
bin1010011101111100010001
312011102011122
422131330101
51200302311
6134452025
732216144
oct12357421
95142148
102744081
11160473a
12b04015
13751022
1451605b
153930db
hex29df11

2744081 has 2 divisors, whose sum is σ = 2744082. Its totient is φ = 2744080.

The previous prime is 2744051. The next prime is 2744083. The reversal of 2744081 is 1804472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2430481 + 313600 = 1559^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2744081 - 26 = 2744017 is a prime.

It is a super-2 number, since 2×27440812 = 15059961069122, which contains 22 as substring.

Together with 2744083, 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 2744081.

It is not a weakly prime, because it can be changed into another prime (2744083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372040 + 1372041.

It is an arithmetic number, because the mean of its divisors is an integer number (1372041).

22744081 is an apocalyptic number.

It is an amenable number.

2744081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2744081 is an equidigital number, since it uses as much as digits as its factorization.

2744081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 2744081 is about 1656.5267881927. The cubic root of 2744081 is about 140.0013775375.

The spelling of 2744081 in words is "two million, seven hundred forty-four thousand, eighty-one".