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86547680 = 2551747677
BaseRepresentation
bin1010010100010…
…01110011100000
320000212002002122
411022021303200
5134124011210
612331003412
72100433412
oct512116340
9200762078
1086547680
114494360a
1224b99568
1314c1375b
14b6cc9b2
1578e8b55
hex5289ce0

86547680 has 96 divisors (see below), whose sum is σ = 221429376. Its totient is φ = 31842304.

The previous prime is 86547677. The next prime is 86547737. The reversal of 86547680 is 8674568.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127502 + ... + 128178.

It is an arithmetic number, because the mean of its divisors is an integer number (2306556).

Almost surely, 286547680 is an apocalyptic number.

86547680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86547680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110714688).

86547680 is an abundant number, since it is smaller than the sum of its proper divisors (134881696).

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

86547680 is a wasteful number, since it uses less digits than its factorization.

86547680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 86547680 is about 9303.1005584160. The cubic root of 86547680 is about 442.3355150624.

The spelling of 86547680 in words is "eighty-six million, five hundred forty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 47 68 80 85 94 136 160 170 188 235 272 340 376 470 544 677 680 752 799 940 1354 1360 1504 1598 1880 2708 2720 3196 3385 3760 3995 5416 6392 6770 7520 7990 10832 11509 12784 13540 15980 21664 23018 25568 27080 31819 31960 46036 54160 57545 63638 63920 92072 108320 115090 127276 127840 159095 184144 230180 254552 318190 368288 460360 509104 540923 636380 920720 1018208 1081846 1272760 1841440 2163692 2545520 2704615 4327384 5091040 5409230 8654768 10818460 17309536 21636920 43273840 86547680