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86739120 = 24335133089
BaseRepresentation
bin1010010101110…
…00100010110000
320001012210201000
411022320202300
5134201122440
612335042000
72102161506
oct512704260
9201183630
1086739120
1144a64426
1225070300
1314c7c930
14b73c676
157935730
hex52b88b0

86739120 has 160 divisors (see below), whose sum is σ = 321854400. Its totient is φ = 21344256.

The previous prime is 86739119. The next prime is 86739173. The reversal of 86739120 is 2193768.

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

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 31 ways as a sum of consecutive naturals, for example, 26536 + ... + 29624.

It is an arithmetic number, because the mean of its divisors is an integer number (2011590).

Almost surely, 286739120 is an apocalyptic number.

86739120 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 86739120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160927200).

86739120 is an abundant number, since it is smaller than the sum of its proper divisors (235115280).

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

86739120 is a wasteful number, since it uses less digits than its factorization.

86739120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 86739120 is about 9313.3839177820. The cubic root of 86739120 is about 442.6614176972.

The spelling of 86739120 in words is "eighty-six million, seven hundred thirty-nine thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 90 104 108 117 120 130 135 144 156 180 195 208 216 234 240 260 270 312 351 360 390 432 468 520 540 585 624 702 720 780 936 1040 1080 1170 1404 1560 1755 1872 2160 2340 2808 3089 3120 3510 4680 5616 6178 7020 9267 9360 12356 14040 15445 18534 24712 27801 28080 30890 37068 40157 46335 49424 55602 61780 74136 80314 83403 92670 111204 120471 123560 139005 148272 160628 166806 185340 200785 222408 240942 247120 278010 321256 333612 361413 370680 401570 417015 444816 481884 556020 602355 642512 667224 722826 741360 803140 834030 963768 1084239 1112040 1204710 1334448 1445652 1606280 1668060 1807065 1927536 2168478 2224080 2409420 2891304 3212560 3336120 3614130 4336956 4818840 5421195 5782608 6672240 7228260 8673912 9637680 10842390 14456520 17347824 21684780 28913040 43369560 86739120