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2881427 is a prime number
BaseRepresentation
bin1010111111011110010011
312102101120112
422333132103
51214201202
6141431535
733330443
oct12773623
95371515
102881427
11169894a
12b6b5ab
1379b6b3
14550123
153bdb52
hex2bf793

2881427 has 2 divisors, whose sum is σ = 2881428. Its totient is φ = 2881426.

The previous prime is 2881409. The next prime is 2881433. The reversal of 2881427 is 7241882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2881427 - 212 = 2877331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2881393 and 2881402.

It is not a weakly prime, because it can be changed into another prime (2881447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440713 + 1440714.

It is an arithmetic number, because the mean of its divisors is an integer number (1440714).

22881427 is an apocalyptic number.

2881427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881427 is an equidigital number, since it uses as much as digits as its factorization.

2881427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 32.

The square root of 2881427 is about 1697.4766566878. The cubic root of 2881427 is about 142.2992268493.

The spelling of 2881427 in words is "two million, eight hundred eighty-one thousand, four hundred twenty-seven".