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211133214 = 23267175069
BaseRepresentation
bin11001001010110…
…10001100011110
3112201021200022200
430211122030132
5413022230324
632541152330
75142413505
oct1445321436
9481250280
10211133214
11a91a7566
125a85b6a6
13349848c6
142007d83c
1513807ec9
hexc95a31e

211133214 has 24 divisors (see below), whose sum is σ = 464285640. Its totient is φ = 69326928.

The previous prime is 211133213. The next prime is 211133249. The reversal of 211133214 is 412331112.

211133214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86329 + ... + 88740.

It is an arithmetic number, because the mean of its divisors is an integer number (19345235).

Almost surely, 2211133214 is an apocalyptic number.

211133214 is an abundant number, since it is smaller than the sum of its proper divisors (253152426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211133214 is a wasteful number, since it uses less digits than its factorization.

211133214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175144 (or 175141 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 211133214 is about 14530.4237377993. The cubic root of 211133214 is about 595.4594422356.

Adding to 211133214 its reverse (412331112), we get a palindrome (623464326).

The spelling of 211133214 in words is "two hundred eleven million, one hundred thirty-three thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 175069 350138 525207 1050414 1575621 3151242 11729623 23459246 35188869 70377738 105566607 211133214