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214387913 is a prime number
BaseRepresentation
bin11001100011101…
…00110011001001
3112221102000221002
430301310303021
5414340403123
633135024345
75212160435
oct1461646311
9487360832
10214387913
1110001a8a3
125b96b0b5
133555416c
14206899c5
1513c4c528
hexcc74cc9

214387913 has 2 divisors, whose sum is σ = 214387914. Its totient is φ = 214387912.

The previous prime is 214387903. The next prime is 214387931. The reversal of 214387913 is 319783412.

214387913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (214387931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119071744 + 95316169 = 10912^2 + 9763^2 .

It is a cyclic number.

It is not a de Polignac number, because 214387913 - 24 = 214387897 is a prime.

It is not a weakly prime, because it can be changed into another prime (214387903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107193956 + 107193957.

It is an arithmetic number, because the mean of its divisors is an integer number (107193957).

Almost surely, 2214387913 is an apocalyptic number.

It is an amenable number.

214387913 is a deficient number, since it is larger than the sum of its proper divisors (1).

214387913 is an equidigital number, since it uses as much as digits as its factorization.

214387913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 214387913 is about 14641.9914287641. The cubic root of 214387913 is about 598.5035979225.

The spelling of 214387913 in words is "two hundred fourteen million, three hundred eighty-seven thousand, nine hundred thirteen".