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212302049 is a prime number
BaseRepresentation
bin11001010011101…
…11100011100001
3112210111001122212
430221313203201
5413322131144
633022211505
75155352261
oct1451674341
9483431585
10212302049
11a9925743
125b123b95
1334ca391b
14202a57a1
151398949e
hexca778e1

212302049 has 2 divisors, whose sum is σ = 212302050. Its totient is φ = 212302048.

The previous prime is 212302037. The next prime is 212302087. The reversal of 212302049 is 940203212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137358400 + 74943649 = 11720^2 + 8657^2 .

It is a cyclic number.

It is not a de Polignac number, because 212302049 - 24 = 212302033 is a prime.

It is not a weakly prime, because it can be changed into another prime (212302009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151024 + 106151025.

It is an arithmetic number, because the mean of its divisors is an integer number (106151025).

Almost surely, 2212302049 is an apocalyptic number.

It is an amenable number.

212302049 is a deficient number, since it is larger than the sum of its proper divisors (1).

212302049 is an equidigital number, since it uses as much as digits as its factorization.

212302049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 212302049 is about 14570.5884918901. The cubic root of 212302049 is about 596.5562433456.

The spelling of 212302049 in words is "two hundred twelve million, three hundred two thousand, forty-nine".