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6972311 is a prime number
BaseRepresentation
bin11010100110001110010111
3111010020012202
4122212032113
53241103221
6405235115
7113156303
oct32461627
914106182
106972311
113a32445
122402a9b
1315a1738
14cd6d03
1592ad0b
hex6a6397

6972311 has 2 divisors, whose sum is σ = 6972312. Its totient is φ = 6972310.

The previous prime is 6972307. The next prime is 6972313. The reversal of 6972311 is 1132796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6972311 - 22 = 6972307 is a prime.

It is a super-2 number, since 2×69723112 = 97226241361442, which contains 22 as substring.

Together with 6972313, 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 (6972313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3486155 + 3486156.

It is an arithmetic number, because the mean of its divisors is an integer number (3486156).

Almost surely, 26972311 is an apocalyptic number.

6972311 is a deficient number, since it is larger than the sum of its proper divisors (1).

6972311 is an equidigital number, since it uses as much as digits as its factorization.

6972311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 6972311 is about 2640.5133970499. The cubic root of 6972311 is about 191.0405604494.

The spelling of 6972311 in words is "six million, nine hundred seventy-two thousand, three hundred eleven".