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84085760 = 2105111493
BaseRepresentation
bin1010000001100…
…00110000000000
312212012222222102
411000300300000
5133011221020
612202125532
72040500663
oct500606000
9185188872
1084085760
1143511970
12241b08a8
1314560cb5
14b24b6da
1575ae475
hex5030c00

84085760 has 88 divisors (see below), whose sum is σ = 220191696. Its totient is φ = 30556160.

The previous prime is 84085759. The next prime is 84085789. The reversal of 84085760 is 6758048.

It is a tau number, because it is divible by the number of its divisors (88).

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, 55574 + ... + 57066.

Almost surely, 284085760 is an apocalyptic number.

84085760 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 84085760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110095848).

84085760 is an abundant number, since it is smaller than the sum of its proper divisors (136105936).

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

84085760 is a wasteful number, since it uses less digits than its factorization.

84085760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 84085760 is about 9169.8287879327. The cubic root of 84085760 is about 438.1009059788.

The spelling of 84085760 in words is "eighty-four million, eighty-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 1024 1280 1408 1493 1760 2560 2816 2986 3520 5120 5632 5972 7040 7465 11264 11944 14080 14930 16423 23888 28160 29860 32846 47776 56320 59720 65692 82115 95552 119440 131384 164230 191104 238880 262768 328460 382208 477760 525536 656920 764416 955520 1051072 1313840 1528832 1911040 2102144 2627680 3822080 4204288 5255360 7644160 8408576 10510720 16817152 21021440 42042880 84085760