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212470571 is a prime number
BaseRepresentation
bin11001010101000…
…00101100101011
3112210210121211102
430222200230223
5413343024241
633025552015
75156653505
oct1452405453
9483717742
10212470571
11a9a30315
125b1a560b
1335032541
142030ad75
15139be39b
hexcaa0b2b

212470571 has 2 divisors, whose sum is σ = 212470572. Its totient is φ = 212470570.

The previous prime is 212470561. The next prime is 212470591. The reversal of 212470571 is 175074212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212470571 - 26 = 212470507 is a prime.

It is not a weakly prime, because it can be changed into another prime (212470561) 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, 106235285 + 106235286.

It is an arithmetic number, because the mean of its divisors is an integer number (106235286).

Almost surely, 2212470571 is an apocalyptic number.

212470571 is a deficient number, since it is larger than the sum of its proper divisors (1).

212470571 is an equidigital number, since it uses as much as digits as its factorization.

212470571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 212470571 is about 14576.3702957904. The cubic root of 212470571 is about 596.7140472277.

The spelling of 212470571 in words is "two hundred twelve million, four hundred seventy thousand, five hundred seventy-one".