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212323041 = 32715832129
BaseRepresentation
bin11001010011111…
…00101011100001
3112210112010110100
430221330223201
5413323314131
633022453013
75155500420
oct1451745341
9483463410
10212323041
11a993a497
125b134169
1334cb0348
14202ad2b7
15139907e6
hexca7cae1

212323041 has 24 divisors (see below), whose sum is σ = 350887680. Its totient is φ = 121193856.

The previous prime is 212323039. The next prime is 212323087. The reversal of 212323041 is 140323212.

It is not a de Polignac number, because 212323041 - 21 = 212323039 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212323031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98665 + ... + 100793.

It is an arithmetic number, because the mean of its divisors is an integer number (14620320).

Almost surely, 2212323041 is an apocalyptic number.

212323041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212323041 is a deficient number, since it is larger than the sum of its proper divisors (138564639).

212323041 is a wasteful number, since it uses less digits than its factorization.

212323041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 212323041 is about 14571.3088293399. The cubic root of 212323041 is about 596.5759047918.

Adding to 212323041 its reverse (140323212), we get a palindrome (352646253).

The spelling of 212323041 in words is "two hundred twelve million, three hundred twenty-three thousand, forty-one".

Divisors: 1 3 7 9 21 63 1583 2129 4749 6387 11081 14247 14903 19161 33243 44709 99729 134127 3370207 10110621 23591449 30331863 70774347 212323041