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212058479 is a prime number
BaseRepresentation
bin11001010001111…
…00000101101111
3112210000200112202
430220330011233
5413241332404
633013052115
75153316203
oct1450740557
9483020482
10212058479
11a9779746
125b02703b
1334c19ab9
1420240b03
151393c21e
hexca3c16f

212058479 has 2 divisors, whose sum is σ = 212058480. Its totient is φ = 212058478.

The previous prime is 212058467. The next prime is 212058521. The reversal of 212058479 is 974850212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212058479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212051479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106029239 + 106029240.

It is an arithmetic number, because the mean of its divisors is an integer number (106029240).

Almost surely, 2212058479 is an apocalyptic number.

212058479 is a deficient number, since it is larger than the sum of its proper divisors (1).

212058479 is an equidigital number, since it uses as much as digits as its factorization.

212058479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 212058479 is about 14562.2278171989. The cubic root of 212058479 is about 596.3280169293.

The spelling of 212058479 in words is "two hundred twelve million, fifty-eight thousand, four hundred seventy-nine".