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49382891 is a prime number
BaseRepresentation
bin1011110001100…
…0010111101011
310102220220120222
42330120113223
5100120223031
64522240255
71136514305
oct274302753
9112826528
1049382891
112596a108
121465608b
13a30055c
1467b6975
154506e7b
hex2f185eb

49382891 has 2 divisors, whose sum is σ = 49382892. Its totient is φ = 49382890.

The previous prime is 49382887. The next prime is 49382951. The reversal of 49382891 is 19828394.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49382891 - 22 = 49382887 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49382831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24691445 + 24691446.

It is an arithmetic number, because the mean of its divisors is an integer number (24691446).

Almost surely, 249382891 is an apocalyptic number.

49382891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49382891 is an equidigital number, since it uses as much as digits as its factorization.

49382891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 49382891 is about 7027.2961372067. The cubic root of 49382891 is about 366.8812386879.

The spelling of 49382891 in words is "forty-nine million, three hundred eighty-two thousand, eight hundred ninety-one".