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6871049 is a prime number
BaseRepresentation
bin11010001101100000001001
3110221002022022
4122031200021
53224333144
6403134225
7112255133
oct32154011
913832268
106871049
113973359
122374375
131567613
14cac053
1590acee
hex68d809

6871049 has 2 divisors, whose sum is σ = 6871050. Its totient is φ = 6871048.

The previous prime is 6871037. The next prime is 6871061. The reversal of 6871049 is 9401786.

It is a balanced prime because it is at equal distance from previous prime (6871037) and next prime (6871061).

It can be written as a sum of positive squares in only one way, i.e., 4545424 + 2325625 = 2132^2 + 1525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6871049 is a prime.

It is a super-2 number, since 2×68710492 = 94422628720802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6871019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435524 + 3435525.

It is an arithmetic number, because the mean of its divisors is an integer number (3435525).

Almost surely, 26871049 is an apocalyptic number.

It is an amenable number.

6871049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871049 is an equidigital number, since it uses as much as digits as its factorization.

6871049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6871049 is about 2621.2685860095. The cubic root of 6871049 is about 190.1111906879. Note that the first 4 decimals are identical.

It can be divided in two parts, 68 and 71049, that added together give a palindrome (71117).

The spelling of 6871049 in words is "six million, eight hundred seventy-one thousand, forty-nine".