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82546128 = 24377337
BaseRepresentation
bin1001110101110…
…00110111010000
312202022210000000
410322320313100
5132112434003
612105130000
72021426160
oct472706720
9182283000
1082546128
1142660145
1223789900
1314142282
14ad6a5a0
1573a81a3
hex4eb8dd0

82546128 has 160 divisors (see below), whose sum is σ = 274942720. Its totient is φ = 23514624.

The previous prime is 82546117. The next prime is 82546153. The reversal of 82546128 is 82164528.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 82546092 and 82546101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244776 + ... + 245112.

It is an arithmetic number, because the mean of its divisors is an integer number (1718392).

Almost surely, 282546128 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 82546128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137471360).

82546128 is an abundant number, since it is smaller than the sum of its proper divisors (192396592).

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

82546128 is an equidigital number, since it uses as much as digits as its factorization.

82546128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 349 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 82546128 is about 9085.4899702768. The cubic root of 82546128 is about 435.4105042857.

The spelling of 82546128 in words is "eighty-two million, five hundred forty-six thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 243 252 324 336 337 378 432 486 504 567 648 674 729 756 972 1008 1011 1134 1296 1348 1458 1512 1701 1944 2022 2187 2268 2359 2696 2916 3024 3033 3402 3888 4044 4374 4536 4718 5103 5392 5832 6066 6804 7077 8088 8748 9072 9099 9436 10206 11664 12132 13608 14154 15309 16176 17496 18198 18872 20412 21231 24264 27216 27297 28308 30618 34992 36396 37744 40824 42462 48528 54594 56616 61236 63693 72792 81648 81891 84924 109188 113232 122472 127386 145584 163782 169848 191079 218376 244944 245673 254772 327564 339696 382158 436752 491346 509544 573237 655128 737019 764316 982692 1019088 1146474 1310256 1474038 1528632 1719711 1965384 2292948 2948076 3057264 3439422 3930768 4585896 5159133 5896152 6878844 9171792 10318266 11792304 13757688 20636532 27515376 41273064 82546128