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211252043 is a prime number
BaseRepresentation
bin11001001011101…
…11001101001011
3112201111201022202
430211313031023
5413040031133
632543510415
75143420112
oct1445671513
9481451282
10211252043
11a9278872
125a8b840b
13349c6a12
14200b0c79
151382d2e8
hexc97734b

211252043 has 2 divisors, whose sum is σ = 211252044. Its totient is φ = 211252042.

The previous prime is 211252039. The next prime is 211252087. The reversal of 211252043 is 340252112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211252043 - 22 = 211252039 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211252243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105626021 + 105626022.

It is an arithmetic number, because the mean of its divisors is an integer number (105626022).

Almost surely, 2211252043 is an apocalyptic number.

211252043 is a deficient number, since it is larger than the sum of its proper divisors (1).

211252043 is an equidigital number, since it uses as much as digits as its factorization.

211252043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 211252043 is about 14534.5121349153. The cubic root of 211252043 is about 595.5711325098.

The spelling of 211252043 in words is "two hundred eleven million, two hundred fifty-two thousand, forty-three".