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212356343 = 417370951
BaseRepresentation
bin11001010100001…
…00110011110111
3112210120211010202
430222010303313
5413330400333
633023311115
75155666463
oct1452046367
9483524122
10212356343
11a9962511
125b14b49b
1334cc2554
14202bb4a3
151399a5e8
hexca84cf7

212356343 has 8 divisors (see below), whose sum is σ = 220518816. Its totient is φ = 204336000.

The previous prime is 212356321. The next prime is 212356351. The reversal of 212356343 is 343653212.

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

It is a cyclic number.

It is not a de Polignac number, because 212356343 - 212 = 212352247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212356303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32483 + ... + 38468.

It is an arithmetic number, because the mean of its divisors is an integer number (27564852).

Almost surely, 2212356343 is an apocalyptic number.

212356343 is a deficient number, since it is larger than the sum of its proper divisors (8162473).

212356343 is an equidigital number, since it uses as much as digits as its factorization.

212356343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71065.

The product of its digits is 12960, while the sum is 29.

The square root of 212356343 is about 14572.4515096122. The cubic root of 212356343 is about 596.6070933243.

The spelling of 212356343 in words is "two hundred twelve million, three hundred fifty-six thousand, three hundred forty-three".

Divisors: 1 41 73 2993 70951 2908991 5179423 212356343