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212464843 is a prime number
BaseRepresentation
bin11001010100111…
…11010011001011
3112210210022222021
430222133103023
5413342333333
633025505311
75156631013
oct1452372313
9483708867
10212464843
11a9a26a88
125b1a2237
133502ca56
1420308c43
15139bc82d
hexca9f4cb

212464843 has 2 divisors, whose sum is σ = 212464844. Its totient is φ = 212464842.

The previous prime is 212464801. The next prime is 212464867. The reversal of 212464843 is 348464212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212464843 - 225 = 178910411 is a prime.

It is a super-2 number, since 2×2124648432 = 90282619022029298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212464799 and 212464808.

It is not a weakly prime, because it can be changed into another prime (212464883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106232421 + 106232422.

It is an arithmetic number, because the mean of its divisors is an integer number (106232422).

Almost surely, 2212464843 is an apocalyptic number.

212464843 is a deficient number, since it is larger than the sum of its proper divisors (1).

212464843 is an equidigital number, since it uses as much as digits as its factorization.

212464843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The square root of 212464843 is about 14576.1738120811. The cubic root of 212464843 is about 596.7086849027.

The spelling of 212464843 in words is "two hundred twelve million, four hundred sixty-four thousand, eight hundred forty-three".