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212422675 = 5253160319
BaseRepresentation
bin11001010100101…
…01000000010011
3112210201012010111
430222111000103
5413340011200
633024542151
75156364043
oct1452250023
9483635114
10212422675
11a99a8333
125b181957
13350167ba
14202d7723
15139b00ba
hexca95013

212422675 has 12 divisors (see below), whose sum is σ = 268375680. Its totient is φ = 166730720.

The previous prime is 212422673. The next prime is 212422753. The reversal of 212422675 is 576224212.

It is not a de Polignac number, because 212422675 - 21 = 212422673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212422673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78835 + ... + 81484.

It is an arithmetic number, because the mean of its divisors is an integer number (22364640).

Almost surely, 2212422675 is an apocalyptic number.

212422675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212422675 is a deficient number, since it is larger than the sum of its proper divisors (55953005).

212422675 is a wasteful number, since it uses less digits than its factorization.

212422675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160382 (or 160377 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 212422675 is about 14574.7272701756. The cubic root of 212422675 is about 596.6692059371.

Adding to 212422675 its reverse (576224212), we get a palindrome (788646887).

The spelling of 212422675 in words is "two hundred twelve million, four hundred twenty-two thousand, six hundred seventy-five".

Divisors: 1 5 25 53 265 1325 160319 801595 4007975 8496907 42484535 212422675