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211049343 = 3223449927
BaseRepresentation
bin11001001010001…
…01101101111111
3112201010102021100
430211011231333
5413012034333
632535304143
75141614131
oct1445055577
9481112240
10211049343
11a914a54a
125a81b053
133495568b
142005b051
15137dd213
hexc945b7f

211049343 has 6 divisors (see below), whose sum is σ = 304849064. Its totient is φ = 140699556.

The previous prime is 211049341. The next prime is 211049381. The reversal of 211049343 is 343940112.

It is not a de Polignac number, because 211049343 - 21 = 211049341 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 (211049341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11724955 + ... + 11724972.

Almost surely, 2211049343 is an apocalyptic number.

211049343 is a deficient number, since it is larger than the sum of its proper divisors (93799721).

211049343 is a wasteful number, since it uses less digits than its factorization.

211049343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23449933 (or 23449930 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 211049343 is about 14527.5374031527. The cubic root of 211049343 is about 595.3805846077.

Adding to 211049343 its reverse (343940112), we get a palindrome (554989455).

The spelling of 211049343 in words is "two hundred eleven million, forty-nine thousand, three hundred forty-three".

Divisors: 1 3 9 23449927 70349781 211049343