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6985967 is a prime number
BaseRepresentation
bin11010101001100011101111
3111010220221112
4122221203233
53242022332
6405422235
7113244152
oct32514357
914126845
106985967
113a4172a
12240a97b
1315a7a11
14cdbc99
1592edb2
hex6a98ef

6985967 has 2 divisors, whose sum is σ = 6985968. Its totient is φ = 6985966.

The previous prime is 6985961. The next prime is 6985969. The reversal of 6985967 is 7695896.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6985967 is a prime.

Together with 6985969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6985961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492983 + 3492984.

It is an arithmetic number, because the mean of its divisors is an integer number (3492984).

Almost surely, 26985967 is an apocalyptic number.

6985967 is a deficient number, since it is larger than the sum of its proper divisors (1).

6985967 is an equidigital number, since it uses as much as digits as its factorization.

6985967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 6985967 is about 2643.0979928864. The cubic root of 6985967 is about 191.1652034125.

The spelling of 6985967 in words is "six million, nine hundred eighty-five thousand, nine hundred sixty-seven".