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211106297 is a prime number
BaseRepresentation
bin11001001010100…
…11100111111001
3112201020022101202
430211103213321
5413020400142
632540423545
75142242153
oct1445234771
9481208352
10211106297
11a9189316
125a847bb5
133497558c
1420073ad3
1513800032
hexc9539f9

211106297 has 2 divisors, whose sum is σ = 211106298. Its totient is φ = 211106296.

The previous prime is 211106279. The next prime is 211106303. The reversal of 211106297 is 792601112.

Together with previous prime (211106279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124634896 + 86471401 = 11164^2 + 9299^2 .

It is a cyclic number.

It is not a de Polignac number, because 211106297 - 210 = 211105273 is a prime.

It is not a weakly prime, because it can be changed into another prime (211106227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105553148 + 105553149.

It is an arithmetic number, because the mean of its divisors is an integer number (105553149).

Almost surely, 2211106297 is an apocalyptic number.

It is an amenable number.

211106297 is a deficient number, since it is larger than the sum of its proper divisors (1).

211106297 is an equidigital number, since it uses as much as digits as its factorization.

211106297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 211106297 is about 14529.4974792661. The cubic root of 211106297 is about 595.4341364699.

The spelling of 211106297 in words is "two hundred eleven million, one hundred six thousand, two hundred ninety-seven".