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211014223 = 730144889
BaseRepresentation
bin11001001001111…
…01001001001111
3112201001122002121
430210331021033
5413004423343
632534433411
75141406550
oct1444751117
9481048077
10211014223
11a9126122
125a802867
13349426b4
142004c327
15137d2aed
hexc93d24f

211014223 has 4 divisors (see below), whose sum is σ = 241159120. Its totient is φ = 180869328.

The previous prime is 211014197. The next prime is 211014239. The reversal of 211014223 is 322410112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211014223 - 25 = 211014191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211014197 and 211014206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211014623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15072438 + ... + 15072451.

It is an arithmetic number, because the mean of its divisors is an integer number (60289780).

Almost surely, 2211014223 is an apocalyptic number.

211014223 is a deficient number, since it is larger than the sum of its proper divisors (30144897).

211014223 is an equidigital number, since it uses as much as digits as its factorization.

211014223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30144896.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211014223 is about 14526.3286139341. The cubic root of 211014223 is about 595.3475576928.

Adding to 211014223 its reverse (322410112), we get a palindrome (533424335).

The spelling of 211014223 in words is "two hundred eleven million, fourteen thousand, two hundred twenty-three".

Divisors: 1 7 30144889 211014223