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563230720 = 2115134231
BaseRepresentation
bin100001100100100…
…011100000000000
31110020211002022001
4201210203200000
52123141340340
6131515553344
716646245033
oct4144434000
91406732261
10563230720
11269a24638
1213875b854
138c8c3720
1454b3501a
15346a829a
hex21923800

563230720 has 96 divisors (see below), whose sum is σ = 1455723360. Its totient is φ = 207912960.

The previous prime is 563230709. The next prime is 563230753. The reversal of 563230720 is 27032365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131005 + ... + 135235.

It is an arithmetic number, because the mean of its divisors is an integer number (15163785).

Almost surely, 2563230720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727861680).

563230720 is an abundant number, since it is smaller than the sum of its proper divisors (892492640).

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

563230720 is a wasteful number, since it uses less digits than its factorization.

563230720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 563230720 is about 23732.4823817484. The cubic root of 563230720 is about 825.8391070756.

The spelling of 563230720 in words is "five hundred sixty-three million, two hundred thirty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1024 1040 1280 1664 2048 2080 2560 3328 4160 4231 5120 6656 8320 8462 10240 13312 16640 16924 21155 26624 33280 33848 42310 55003 66560 67696 84620 110006 133120 135392 169240 220012 270784 275015 338480 440024 541568 550030 676960 880048 1083136 1100060 1353920 1760096 2166272 2200120 2707840 3520192 4332544 4400240 5415680 7040384 8665088 8800480 10831360 14080768 17600960 21662720 28161536 35201920 43325440 56323072 70403840 112646144 140807680 281615360 563230720