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211344100 = 225211229839
BaseRepresentation
bin11001001100011…
…01101011100100
3112201200101121021
430212031223210
5413101002400
632545500524
75144252362
oct1446155344
9481611537
10211344100
11a9330a50
125a941744
1334a298a6
14200d6632
151384a71a
hexc98dae4

211344100 has 72 divisors (see below), whose sum is σ = 503092800. Its totient is φ = 76425600.

The previous prime is 211344061. The next prime is 211344113. The reversal of 211344100 is 1443112.

211344100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251481 + ... + 252319.

It is an arithmetic number, because the mean of its divisors is an integer number (6987400).

Almost surely, 2211344100 is an apocalyptic number.

211344100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211344100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251546400).

211344100 is an abundant number, since it is smaller than the sum of its proper divisors (291748700).

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

211344100 is a wasteful number, since it uses less digits than its factorization.

211344100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1086 counting only the distinct ones).

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

The square root of 211344100 is about 14537.6786317486. The cubic root of 211344100 is about 595.6576303396.

Adding to 211344100 its reverse (1443112), we get a palindrome (212787212).

The spelling of 211344100 in words is "two hundred eleven million, three hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 229 275 458 550 839 916 1100 1145 1678 2290 2519 3356 4195 4580 5038 5725 8390 9229 10076 11450 12595 16780 18458 20975 22900 25190 36916 41950 46145 50380 62975 83900 92290 125950 184580 192131 230725 251900 384262 461450 768524 922900 960655 1921310 2113441 3842620 4226882 4803275 8453764 9606550 10567205 19213100 21134410 42268820 52836025 105672050 211344100