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6877993 is a prime number
BaseRepresentation
bin11010001111001100101001
3110221102211111
4122033030221
53230043433
6403230321
7112314313
oct32171451
913842744
106877993
1139785a1
1223783a1
13156a825
14cb07b3
1590cdcd
hex68f329

6877993 has 2 divisors, whose sum is σ = 6877994. Its totient is φ = 6877992.

The previous prime is 6877963. The next prime is 6878023. The reversal of 6877993 is 3997786.

It is a balanced prime because it is at equal distance from previous prime (6877963) and next prime (6878023).

It can be written as a sum of positive squares in only one way, i.e., 4481689 + 2396304 = 2117^2 + 1548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6877993 is a prime.

It is a d-powerful number, because it can be written as 6 + 85 + 75 + 78 + 93 + 96 + 312 .

It is not a weakly prime, because it can be changed into another prime (6877963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438996 + 3438997.

It is an arithmetic number, because the mean of its divisors is an integer number (3438997).

Almost surely, 26877993 is an apocalyptic number.

It is an amenable number.

6877993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6877993 is an equidigital number, since it uses as much as digits as its factorization.

6877993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 6877993 is about 2622.5928010273. The cubic root of 6877993 is about 190.1752123360.

The spelling of 6877993 in words is "six million, eight hundred seventy-seven thousand, nine hundred ninety-three".