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212514473 is a prime number
BaseRepresentation
bin11001010101010…
…11011010101001
3112210212212001102
430222223122221
5413400430343
633030531145
75160225503
oct1452533251
9483785042
10212514473
11a9a602a6
125b206ab5
1335049512
142031cd73
15139cc3b8
hexcaab6a9

212514473 has 2 divisors, whose sum is σ = 212514474. Its totient is φ = 212514472.

The previous prime is 212514451. The next prime is 212514479. The reversal of 212514473 is 374415212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209583529 + 2930944 = 14477^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 212514473 - 214 = 212498089 is a prime.

It is not a weakly prime, because it can be changed into another prime (212514479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106257236 + 106257237.

It is an arithmetic number, because the mean of its divisors is an integer number (106257237).

Almost surely, 2212514473 is an apocalyptic number.

It is an amenable number.

212514473 is a deficient number, since it is larger than the sum of its proper divisors (1).

212514473 is an equidigital number, since it uses as much as digits as its factorization.

212514473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 212514473 is about 14577.8761484655. The cubic root of 212514473 is about 596.7551433285.

Adding to 212514473 its reverse (374415212), we get a palindrome (586929685).

The spelling of 212514473 in words is "two hundred twelve million, five hundred fourteen thousand, four hundred seventy-three".