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211441120 = 25511196323
BaseRepresentation
bin11001001101001…
…01010111100000
3112201212022200121
430212211113200
5413112103440
632551530024
75145135262
oct1446452740
9481768617
10211441120
11a9397930
125a989914
1334a61ab7
142011db32
151386934a
hexc9a55e0

211441120 has 96 divisors (see below), whose sum is σ = 573713280. Its totient is φ = 72829440.

The previous prime is 211441103. The next prime is 211441129. The reversal of 211441120 is 21144112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 211441094 and 211441103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211441129) 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 15 ways as a sum of consecutive naturals, for example, 30279 + ... + 36601.

It is an arithmetic number, because the mean of its divisors is an integer number (5976180).

Almost surely, 2211441120 is an apocalyptic number.

211441120 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 211441120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286856640).

211441120 is an abundant number, since it is smaller than the sum of its proper divisors (362272160).

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

211441120 is a wasteful number, since it uses less digits than its factorization.

211441120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368 (or 6360 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 211441120 is about 14541.0150952401. The cubic root of 211441120 is about 595.7487642809.

Adding to 211441120 its reverse (21144112), we get a palindrome (232585232).

It can be divided in two parts, 2114 and 41120, that added together give a palindrome (43234).

The spelling of 211441120 in words is "two hundred eleven million, four hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 32 38 40 44 55 76 80 88 95 110 152 160 176 190 209 220 304 352 380 418 440 608 760 836 880 1045 1520 1672 1760 2090 3040 3344 4180 6323 6688 8360 12646 16720 25292 31615 33440 50584 63230 69553 101168 120137 126460 139106 202336 240274 252920 278212 347765 480548 505840 556424 600685 695530 961096 1011680 1112848 1201370 1321507 1391060 1922192 2225696 2402740 2643014 2782120 3844384 4805480 5286028 5564240 6607535 9610960 10572056 11128480 13215070 19221920 21144112 26430140 42288224 52860280 105720560 211441120