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14983721 is a prime number
BaseRepresentation
bin111001001010…
…001000101001
31001012020210122
4321022020221
512313434341
61253053025
7241234214
oct71121051
931166718
1014983721
118504545
125027175
13314810c
141dc077b
1514ae94b
hexe4a229

14983721 has 2 divisors, whose sum is σ = 14983722. Its totient is φ = 14983720.

The previous prime is 14983711. The next prime is 14983729. The reversal of 14983721 is 12738941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 3667225 = 3364^2 + 1915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14983721 is a prime.

It is not a weakly prime, because it can be changed into another prime (14983729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7491860 + 7491861.

It is an arithmetic number, because the mean of its divisors is an integer number (7491861).

Almost surely, 214983721 is an apocalyptic number.

It is an amenable number.

14983721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14983721 is an equidigital number, since it uses as much as digits as its factorization.

14983721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 14983721 is about 3870.8811658329. The cubic root of 14983721 is about 246.5319585471.

The spelling of 14983721 in words is "fourteen million, nine hundred eighty-three thousand, seven hundred twenty-one".