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14921069 is a prime number
BaseRepresentation
bin111000111010…
…110101101101
31001002001212012
4320322311231
512304433234
61251451005
7240553442
oct70726555
931061765
1014921069
118471469
124bb6a65
133125747
141da59c9
15149b0ce
hexe3ad6d

14921069 has 2 divisors, whose sum is σ = 14921070. Its totient is φ = 14921068.

The previous prime is 14921063. The next prime is 14921107. The reversal of 14921069 is 96012941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 6568969 = 2890^2 + 2563^2 .

It is an emirp because it is prime and its reverse (96012941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14921069 is a prime.

It is a super-2 number, since 2×149210692 = 445276600205522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14921063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460534 + 7460535.

It is an arithmetic number, because the mean of its divisors is an integer number (7460535).

Almost surely, 214921069 is an apocalyptic number.

It is an amenable number.

14921069 is a deficient number, since it is larger than the sum of its proper divisors (1).

14921069 is an equidigital number, since it uses as much as digits as its factorization.

14921069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 14921069 is about 3862.7799574918. The cubic root of 14921069 is about 246.1878673755.

The spelling of 14921069 in words is "fourteen million, nine hundred twenty-one thousand, sixty-nine".