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8076641 is a prime number
BaseRepresentation
bin11110110011110101100001
3120012100001212
4132303311201
54031423031
6445035505
7125436026
oct36636541
916170055
108076641
114617111
122855b95
13189a2a1
14110354d
15a9812b
hex7b3d61

8076641 has 2 divisors, whose sum is σ = 8076642. Its totient is φ = 8076640.

The previous prime is 8076637. The next prime is 8076643. The reversal of 8076641 is 1466708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5387041 + 2689600 = 2321^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 8076641 - 22 = 8076637 is a prime.

It is a Sophie Germain prime.

Together with 8076643, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8076598 and 8076607.

It is not a weakly prime, because it can be changed into another prime (8076643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4038320 + 4038321.

It is an arithmetic number, because the mean of its divisors is an integer number (4038321).

Almost surely, 28076641 is an apocalyptic number.

It is an amenable number.

8076641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8076641 is an equidigital number, since it uses as much as digits as its factorization.

8076641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8076641 is about 2841.9431732531. The cubic root of 8076641 is about 200.6366462573.

The spelling of 8076641 in words is "eight million, seventy-six thousand, six hundred forty-one".