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28482284320 = 255725430611
BaseRepresentation
bin11010100001101011…
…010010101100100000
32201111222102221212021
4122201223102230200
5431312431044240
621030134111224
72025550264540
oct324153225440
981458387767
1028482284320
1111096563856
12562a7ab514
1328bbb0c399
141542a53320
15b1a78054a
hex6a1ad2b20

28482284320 has 48 divisors (see below), whose sum is σ = 76902170688. Its totient is φ = 9765354240.

The previous prime is 28482284293. The next prime is 28482284339. The reversal of 28482284320 is 2348228482.

It is a super-2 number, since 2×284822843202 (a number of 22 digits) contains 22 as substring.

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, 12714186 + ... + 12716425.

It is an arithmetic number, because the mean of its divisors is an integer number (1602128556).

Almost surely, 228482284320 is an apocalyptic number.

28482284320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28482284320 is an abundant number, since it is smaller than the sum of its proper divisors (48419886368).

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

28482284320 is a wasteful number, since it uses less digits than its factorization.

28482284320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25430633 (or 25430625 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 43.

The spelling of 28482284320 in words is "twenty-eight billion, four hundred eighty-two million, two hundred eighty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 25430611 50861222 101722444 127153055 178014277 203444888 254306110 356028554 406889776 508612220 712057108 813779552 890071385 1017224440 1424114216 1780142770 2034448880 2848228432 3560285540 4068897760 5696456864 7120571080 14241142160 28482284320