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7680017 is a prime number
BaseRepresentation
bin11101010011000000010001
3112110012000002
4131103000101
53431230032
6432335345
7122164502
oct35230021
915405002
107680017
114376124
1226a4555
13178b8b7
14103cba9
15a1a862
hex753011

7680017 has 2 divisors, whose sum is σ = 7680018. Its totient is φ = 7680016.

The previous prime is 7679993. The next prime is 7680019. The reversal of 7680017 is 7100867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7054336 + 625681 = 2656^2 + 791^2 .

It is an emirp because it is prime and its reverse (7100867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7680017 - 28 = 7679761 is a prime.

It is a super-2 number, since 2×76800172 = 117965322240578, which contains 22 as substring.

Together with 7680019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7680019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840008 + 3840009.

It is an arithmetic number, because the mean of its divisors is an integer number (3840009).

Almost surely, 27680017 is an apocalyptic number.

It is an amenable number.

7680017 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680017 is an equidigital number, since it uses as much as digits as its factorization.

7680017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 7680017 is about 2771.2843592818. The cubic root of 7680017 is about 197.2971115213.

The spelling of 7680017 in words is "seven million, six hundred eighty thousand, seventeen".