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14816881 is a prime number
BaseRepresentation
bin111000100001…
…011001110001
31000212202221101
4320201121301
512243120011
61245324401
7236640622
oct70413161
930782841
1014816881
118400162
124b66701
1330ba1b1
141d79a49
15147a2c1
hexe21671

14816881 has 2 divisors, whose sum is σ = 14816882. Its totient is φ = 14816880.

The previous prime is 14816873. The next prime is 14816917. The reversal of 14816881 is 18861841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14561856 + 255025 = 3816^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 14816881 - 23 = 14816873 is a prime.

It is a super-2 number, since 2×148168812 = 439079925136322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14816881.

It is not a weakly prime, because it can be changed into another prime (14816831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7408440 + 7408441.

It is an arithmetic number, because the mean of its divisors is an integer number (7408441).

Almost surely, 214816881 is an apocalyptic number.

It is an amenable number.

14816881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14816881 is an equidigital number, since it uses as much as digits as its factorization.

14816881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 37.

The square root of 14816881 is about 3849.2701905686. The cubic root of 14816881 is about 245.6135172156.

The spelling of 14816881 in words is "fourteen million, eight hundred sixteen thousand, eight hundred eighty-one".