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14642213 is a prime number
BaseRepresentation
bin110111110110…
…110000100101
31000112220100012
4313312300211
512222022323
61241500005
7235312445
oct67666045
930486305
1014642213
1182a0a03
124aa1605
133058841
141d32125
151443678
hexdf6c25

14642213 has 2 divisors, whose sum is σ = 14642214. Its totient is φ = 14642212.

The previous prime is 14642209. The next prime is 14642227. The reversal of 14642213 is 31224641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 3034564 = 3407^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 14642213 - 22 = 14642209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14642233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7321106 + 7321107.

It is an arithmetic number, because the mean of its divisors is an integer number (7321107).

Almost surely, 214642213 is an apocalyptic number.

It is an amenable number.

14642213 is a deficient number, since it is larger than the sum of its proper divisors (1).

14642213 is an equidigital number, since it uses as much as digits as its factorization.

14642213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 14642213 is about 3826.5144714217. The cubic root of 14642213 is about 244.6445658188.

Adding to 14642213 its reverse (31224641), we get a palindrome (45866854).

The spelling of 14642213 in words is "fourteen million, six hundred forty-two thousand, two hundred thirteen".