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212241441 = 373969139
BaseRepresentation
bin11001010011010…
…00110000100001
3112210100222112010
430221220300201
5413313211231
633021023133
75155010466
oct1451506041
9483328463
10212241441
11a9894155
125b0b4aa9
1334c82169
142028b66d
1513976546
hexca68c21

212241441 has 8 divisors (see below), whose sum is σ = 286865440. Its totient is φ = 139555872.

The previous prime is 212241439. The next prime is 212241443. The reversal of 212241441 is 144142212.

It is an interprime number because it is at equal distance from previous prime (212241439) and next prime (212241443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212241441 - 21 = 212241439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212241443) 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 7 ways as a sum of consecutive naturals, for example, 484351 + ... + 484788.

It is an arithmetic number, because the mean of its divisors is an integer number (35858180).

Almost surely, 2212241441 is an apocalyptic number.

It is an amenable number.

212241441 is a deficient number, since it is larger than the sum of its proper divisors (74623999).

212241441 is an equidigital number, since it uses as much as digits as its factorization.

212241441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969215.

The product of its digits is 512, while the sum is 21.

The square root of 212241441 is about 14568.5085372525. The cubic root of 212241441 is about 596.4994696402.

Adding to 212241441 its reverse (144142212), we get a palindrome (356383653).

The spelling of 212241441 in words is "two hundred twelve million, two hundred forty-one thousand, four hundred forty-one".

Divisors: 1 3 73 219 969139 2907417 70747147 212241441