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328302238472 = 23131131494332
BaseRepresentation
bin1001100011100000101…
…01101001101100001000
31011101101221120201010122
410301300111221230020
520334330333112342
6410453040202412
732501430661205
oct4616025515410
91141357521118
10328302238472
11117261066a2a
1253763909408
1324c6054c290
1411c65cc8cac
1588172274d2
hex4c70569b08

328302238472 has 96 divisors (see below), whose sum is σ = 674831493000. Its totient is φ = 148830732288.

The previous prime is 328302238469. The next prime is 328302238489. The reversal of 328302238472 is 274832203823.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 165888402436 + 162413836036 = 407294^2 + 403006^2 .

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, 758203568 + ... + 758204000.

Almost surely, 2328302238472 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 328302238472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337415746500).

328302238472 is an abundant number, since it is smaller than the sum of its proper divisors (346529254528).

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

328302238472 is a wasteful number, since it uses less digits than its factorization.

328302238472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 328302238472 in words is "three hundred twenty-eight billion, three hundred two million, two hundred thirty-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 113 149 226 298 433 452 596 866 904 1192 1469 1732 1937 2938 3464 3874 5629 5876 7748 11258 11752 15496 16837 22516 33674 45032 48929 64517 67348 97858 129034 134696 187489 195716 218881 258068 374978 391432 437762 516136 636077 749956 838721 875524 1272154 1499912 1677442 1751048 2437357 2544308 3354884 4874714 5088616 6709768 7290421 9749428 14580842 19498856 21186257 27935861 29161684 42372514 55871722 58323368 84745028 94775473 111743444 169490056 189550946 223486888 275421341 363166193 379101892 550842682 726332386 758203784 1101685364 1452664772 2203370728 2905329544 3156752293 6313504586 12627009172 25254018344 41037779809 82075559618 164151119236 328302238472