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6980971 is a prime number
BaseRepresentation
bin11010101000010101101011
3111010200002111
4122220111223
53241342341
6405343151
7113223454
oct32502553
914120074
106980971
113a389a8
122407ab7
1315a566a
14cda12b
1592d681
hex6a856b

6980971 has 2 divisors, whose sum is σ = 6980972. Its totient is φ = 6980970.

The previous prime is 6980969. The next prime is 6980977. The reversal of 6980971 is 1790896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6980971 - 21 = 6980969 is a prime.

It is a super-2 number, since 2×69809712 = 97467912205682, which contains 22 as substring.

Together with 6980969, it forms a pair of twin primes.

It is a Chen prime.

6980971 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6980977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490485 + 3490486.

It is an arithmetic number, because the mean of its divisors is an integer number (3490486).

Almost surely, 26980971 is an apocalyptic number.

6980971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6980971 is an equidigital number, since it uses as much as digits as its factorization.

6980971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 6980971 is about 2642.1527207942. The cubic root of 6980971 is about 191.1196220770.

The spelling of 6980971 in words is "six million, nine hundred eighty thousand, nine hundred seventy-one".