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211344230 = 2557137013
BaseRepresentation
bin11001001100011…
…01101101100110
3112201200101210002
430212031231212
5413101003410
632545501302
75144252636
oct1446155546
9481611702
10211344230
11a9331059
125a941832
1334a29976
14200d66c6
151384a7a5
hexc98db66

211344230 has 16 divisors (see below), whose sum is σ = 381096144. Its totient is φ = 84387360.

The previous prime is 211344223. The next prime is 211344233. The reversal of 211344230 is 32443112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211344233) 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, 12797 + ... + 24216.

It is an arithmetic number, because the mean of its divisors is an integer number (23818509).

Almost surely, 2211344230 is an apocalyptic number.

211344230 is a deficient number, since it is larger than the sum of its proper divisors (169751914).

211344230 is a wasteful number, since it uses less digits than its factorization.

211344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37591.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 211344230 is about 14537.6831028882. The cubic root of 211344230 is about 595.6577524714.

Adding to 211344230 its reverse (32443112), we get a palindrome (243787342).

The spelling of 211344230 in words is "two hundred eleven million, three hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 571 1142 2855 5710 37013 74026 185065 370130 21134423 42268846 105672115 211344230