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211310200 = 23522371647
BaseRepresentation
bin11001001100001…
…01011001111000
3112201121200002201
430212011121320
5413043411300
632545035544
75144051503
oct1446053170
9481550081
10211310200
11a9308532
125a925bb4
1334a1732a
14200c813a
151384066a
hexc985678

211310200 has 96 divisors (see below), whose sum is σ = 520680960. Its totient is φ = 79587200.

The previous prime is 211310173. The next prime is 211310201. The reversal of 211310200 is 2013112.

211310200 is digitally balanced in base 3, 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 (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211310201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326277 + ... + 326923.

It is an arithmetic number, because the mean of its divisors is an integer number (5423760).

Almost surely, 2211310200 is an apocalyptic number.

211310200 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 211310200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260340480).

211310200 is an abundant number, since it is smaller than the sum of its proper divisors (309370760).

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

211310200 is a wasteful number, since it uses less digits than its factorization.

211310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211310200 is about 14536.5126491879. The cubic root of 211310200 is about 595.6257804269.

Adding to 211310200 its reverse (2013112), we get a palindrome (213323312).

The spelling of 211310200 in words is "two hundred eleven million, three hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 71 92 100 115 142 184 200 230 284 355 460 568 575 647 710 920 1150 1294 1420 1633 1775 2300 2588 2840 3235 3266 3550 4600 5176 6470 6532 7100 8165 12940 13064 14200 14881 16175 16330 25880 29762 32350 32660 40825 45937 59524 64700 65320 74405 81650 91874 119048 129400 148810 163300 183748 229685 297620 326600 367496 372025 459370 595240 744050 918740 1056551 1148425 1488100 1837480 2113102 2296850 2976200 4226204 4593700 5282755 8452408 9187400 10565510 21131020 26413775 42262040 52827550 105655100 211310200