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2815741 is a prime number
BaseRepresentation
bin1010101111011011111101
312022001110201
422233123331
51210100431
6140203501
732635105
oct12573375
95261421
102815741
111653565
12b39591
13777826
14534205
153a9461
hex2af6fd

2815741 has 2 divisors, whose sum is σ = 2815742. Its totient is φ = 2815740.

The previous prime is 2815739. The next prime is 2815759. The reversal of 2815741 is 1475182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 1243225 = 1254^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2815741 - 21 = 2815739 is a prime.

Together with 2815739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2819741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407870 + 1407871.

It is an arithmetic number, because the mean of its divisors is an integer number (1407871).

22815741 is an apocalyptic number.

It is an amenable number.

2815741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2815741 is an equidigital number, since it uses as much as digits as its factorization.

2815741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 28.

The square root of 2815741 is about 1678.0169844194. The cubic root of 2815741 is about 141.2096039232.

The spelling of 2815741 in words is "two million, eight hundred fifteen thousand, seven hundred forty-one".