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214286893 is a prime number
BaseRepresentation
bin11001100010111…
…00001000101101
3112221012220100121
430301130020231
5414324140033
633132524541
75211260062
oct1461341055
9487186317
10214286893
11aaa60a07
125b920751
133551a1a2
1420660c69
1513c2c62d
hexcc5c22d

214286893 has 2 divisors, whose sum is σ = 214286894. Its totient is φ = 214286892.

The previous prime is 214286861. The next prime is 214286909. The reversal of 214286893 is 398682412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174319209 + 39967684 = 13203^2 + 6322^2 .

It is a cyclic number.

It is not a de Polignac number, because 214286893 - 25 = 214286861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214287893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107143446 + 107143447.

It is an arithmetic number, because the mean of its divisors is an integer number (107143447).

Almost surely, 2214286893 is an apocalyptic number.

It is an amenable number.

214286893 is a deficient number, since it is larger than the sum of its proper divisors (1).

214286893 is an equidigital number, since it uses as much as digits as its factorization.

214286893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 214286893 is about 14638.5413549301. The cubic root of 214286893 is about 598.4095778018.

The spelling of 214286893 in words is "two hundred fourteen million, two hundred eighty-six thousand, eight hundred ninety-three".