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86941728 = 2533472141
BaseRepresentation
bin1010010111010…
…10000000100000
320001121002122000
411023222000200
5134224113403
612343244000
72103664266
oct513520040
9201532560
1086941728
1145092675
1225149600
1315020c13
14b792436
1579757a3
hex52ea020

86941728 has 96 divisors (see below), whose sum is σ = 259096320. Its totient is φ = 28350720.

The previous prime is 86941693. The next prime is 86941741. The reversal of 86941728 is 82714968.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39538 + ... + 41678.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 286941728 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 86941728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129548160).

86941728 is an abundant number, since it is smaller than the sum of its proper divisors (172154592).

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

86941728 is a wasteful number, since it uses less digits than its factorization.

86941728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2193 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 86941728 is about 9324.2548227727. The cubic root of 86941728 is about 443.0058105691.

The spelling of 86941728 in words is "eighty-six million, nine hundred forty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 47 48 54 72 94 96 108 141 144 188 216 282 288 376 423 432 564 752 846 864 1128 1269 1504 1692 2141 2256 2538 3384 4282 4512 5076 6423 6768 8564 10152 12846 13536 17128 19269 20304 25692 34256 38538 40608 51384 57807 68512 77076 100627 102768 115614 154152 201254 205536 231228 301881 308304 402508 462456 603762 616608 805016 905643 924912 1207524 1610032 1811286 1849824 2415048 2716929 3220064 3622572 4830096 5433858 7245144 9660192 10867716 14490288 21735432 28980576 43470864 86941728