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212484529 is a prime number
BaseRepresentation
bin11001010101001…
…00000110110001
3112210211022222101
430222210012301
5413344001104
633030140401
75160042265
oct1452440661
9483738871
10212484529
11a9a3a854
125b1b1701
13350389ba
14203120a5
15139c35a4
hexcaa41b1

212484529 has 2 divisors, whose sum is σ = 212484530. Its totient is φ = 212484528.

The previous prime is 212484527. The next prime is 212484551. The reversal of 212484529 is 925484212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180956304 + 31528225 = 13452^2 + 5615^2 .

It is a cyclic number.

It is not a de Polignac number, because 212484529 - 21 = 212484527 is a prime.

Together with 212484527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212484527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106242264 + 106242265.

It is an arithmetic number, because the mean of its divisors is an integer number (106242265).

Almost surely, 2212484529 is an apocalyptic number.

It is an amenable number.

212484529 is a deficient number, since it is larger than the sum of its proper divisors (1).

212484529 is an equidigital number, since it uses as much as digits as its factorization.

212484529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 212484529 is about 14576.8490765323. The cubic root of 212484529 is about 596.7271137467.

The spelling of 212484529 in words is "two hundred twelve million, four hundred eighty-four thousand, five hundred twenty-nine".