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14000221 is a prime number
BaseRepresentation
bin110101011010…
…000001011101
3222100021200201
4311122001131
512041001341
61220023501
7226666654
oct65320135
928307621
1014000221
1179a2634
124831b91
132b92571
141c0619b
151368331
hexd5a05d

14000221 has 2 divisors, whose sum is σ = 14000222. Its totient is φ = 14000220.

The previous prime is 14000209. The next prime is 14000227. The reversal of 14000221 is 12200041.

14000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9424900 + 4575321 = 3070^2 + 2139^2 .

It is a cyclic number.

It is not a de Polignac number, because 14000221 - 219 = 13475933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14000198 and 14000207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14000227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000110 + 7000111.

It is an arithmetic number, because the mean of its divisors is an integer number (7000111).

Almost surely, 214000221 is an apocalyptic number.

It is an amenable number.

14000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14000221 is an equidigital number, since it uses as much as digits as its factorization.

14000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 14000221 is about 3741.6869190246. The cubic root of 14000221 is about 241.0154946048.

Adding to 14000221 its reverse (12200041), we get a palindrome (26200262).

The spelling of 14000221 in words is "fourteen million, two hundred twenty-one", and thus it is an aban number.