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14984821 is a prime number
BaseRepresentation
bin111001001010…
…011001110101
31001012022022101
4321022121311
512314003241
61253102101
7241240345
oct71123165
931168271
1014984821
118505355
125027931
133148777
141dc0d25
1514aee31
hexe4a675

14984821 has 2 divisors, whose sum is σ = 14984822. Its totient is φ = 14984820.

The previous prime is 14984819. The next prime is 14984843. The reversal of 14984821 is 12848941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14976900 + 7921 = 3870^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 14984821 - 21 = 14984819 is a prime.

Together with 14984819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14984861) 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, 7492410 + 7492411.

It is an arithmetic number, because the mean of its divisors is an integer number (7492411).

Almost surely, 214984821 is an apocalyptic number.

It is an amenable number.

14984821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14984821 is an equidigital number, since it uses as much as digits as its factorization.

14984821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 14984821 is about 3871.0232497364. The cubic root of 14984821 is about 246.5379912835.

The spelling of 14984821 in words is "fourteen million, nine hundred eighty-four thousand, eight hundred twenty-one".