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214581271 is a prime number
BaseRepresentation
bin11001100101001…
…00000000010111
3112221202212011111
430302210000113
5414413100041
633143115451
75213624242
oct1462440027
9487685144
10214581271
111001420a3
125ba42b87
13355c1188
14206da259
1513c89981
hexcca4017

214581271 has 2 divisors, whose sum is σ = 214581272. Its totient is φ = 214581270.

The previous prime is 214581253. The next prime is 214581277. The reversal of 214581271 is 172185412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214581271 - 211 = 214579223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214581277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107290635 + 107290636.

It is an arithmetic number, because the mean of its divisors is an integer number (107290636).

Almost surely, 2214581271 is an apocalyptic number.

214581271 is a deficient number, since it is larger than the sum of its proper divisors (1).

214581271 is an equidigital number, since it uses as much as digits as its factorization.

214581271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 214581271 is about 14648.5927993101. The cubic root of 214581271 is about 598.6834754216.

The spelling of 214581271 in words is "two hundred fourteen million, five hundred eighty-one thousand, two hundred seventy-one".