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683288928 = 2532736917
BaseRepresentation
bin101000101110100…
…010100101100000
31202121201200012100
4220232202211200
52344410221203
6151445130400
722634601000
oct5056424540
91677650170
10683288928
113207760a3
121709b9a00
13ab73ac9a
1466a68000
153eec0ea3
hex28ba2960

683288928 has 144 divisors (see below), whose sum is σ = 2266336800. Its totient is φ = 195197184.

The previous prime is 683288917. The next prime is 683288941. The reversal of 683288928 is 829882386.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 95326 + ... + 102242.

It is an arithmetic number, because the mean of its divisors is an integer number (15738450).

Almost surely, 2683288928 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 683288928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133168400).

683288928 is an abundant number, since it is smaller than the sum of its proper divisors (1583047872).

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

683288928 is a wasteful number, since it uses less digits than its factorization.

683288928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954 (or 6929 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 683288928 is about 26139.7958676039. The cubic root of 683288928 is about 880.7813858619.

The spelling of 683288928 in words is "six hundred eighty-three million, two hundred eighty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 168 196 224 252 288 294 336 343 392 441 504 588 672 686 784 882 1008 1029 1176 1372 1568 1764 2016 2058 2352 2744 3087 3528 4116 4704 5488 6174 6917 7056 8232 10976 12348 13834 14112 16464 20751 24696 27668 32928 41502 48419 49392 55336 62253 83004 96838 98784 110672 124506 145257 166008 193676 221344 249012 290514 332016 338933 387352 435771 498024 581028 664032 677866 774704 871542 996048 1016799 1162056 1355732 1549408 1743084 1992096 2033598 2324112 2372531 2711464 3050397 3486168 4067196 4648224 4745062 5422928 6100794 6972336 7117593 8134392 9490124 10845856 12201588 13944672 14235186 16268784 18980248 21352779 24403176 28470372 32537568 37960496 42705558 48806352 56940744 75920992 85411116 97612704 113881488 170822232 227762976 341644464 683288928