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2213412320 = 255721032741
BaseRepresentation
bin1000001111101101…
…1111110111100000
312201020220222220002
42003323133313200
514013113143240
61003345035132
7105564460100
oct20373376740
95636828802
102213412320
11a36460489
12519325aa8
13293749442
1416dd6d200
15ce4bad15
hex83edfde0

2213412320 has 144 divisors (see below), whose sum is σ = 6144229728. Its totient is φ = 751242240.

The previous prime is 2213412319. The next prime is 2213412323. The reversal of 2213412320 is 232143122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2213412292 and 2213412301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213412323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806150 + ... + 808890.

It is an arithmetic number, because the mean of its divisors is an integer number (42668262).

Almost surely, 22213412320 is an apocalyptic number.

2213412320 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 2213412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3072114864).

2213412320 is an abundant number, since it is smaller than the sum of its proper divisors (3930817408).

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

2213412320 is a wasteful number, since it uses less digits than its factorization.

2213412320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2858 counting only the distinct ones).

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

The square root of 2213412320 is about 47046.9161582351. The cubic root of 2213412320 is about 1303.2291164255.

Adding to 2213412320 its reverse (232143122), we get a palindrome (2445555442).

The spelling of 2213412320 in words is "two billion, two hundred thirteen million, four hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 103 112 140 160 196 206 224 245 280 392 412 490 515 560 721 784 824 980 1030 1120 1442 1568 1648 1960 2060 2741 2884 3296 3605 3920 4120 5047 5482 5768 7210 7840 8240 10094 10964 11536 13705 14420 16480 19187 20188 21928 23072 25235 27410 28840 38374 40376 43856 50470 54820 57680 76748 80752 87712 95935 100940 109640 115360 134309 153496 161504 191870 201880 219280 268618 282323 306992 383740 403760 438560 537236 564646 613984 671545 767480 807520 1074472 1129292 1343090 1411615 1534960 1976261 2148944 2258584 2686180 2823230 3069920 3952522 4297888 4517168 5372360 5646460 7905044 9034336 9881305 10744720 11292920 13833827 15810088 19762610 21489440 22585840 27667654 31620176 39525220 45171680 55335308 63240352 69169135 79050440 110670616 138338270 158100880 221341232 276676540 316201760 442682464 553353080 1106706160 2213412320