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42284160 = 273352447
BaseRepresentation
bin1010000101001…
…1010010000000
32221120020222000
42201103102000
541311043120
64110144000
71022260302
oct241232200
987506860
1042284160
1121960796
12121b2000
1389b6419
145889972
153aa3990
hex2853480

42284160 has 128 divisors (see below), whose sum is σ = 149817600. Its totient is φ = 11271168.

The previous prime is 42284147. The next prime is 42284171. The reversal of 42284160 is 6148224.

42284160 is a `hidden beast` number, since 422 + 84 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 16057 + ... + 18503.

It is an arithmetic number, because the mean of its divisors is an integer number (1170450).

Almost surely, 242284160 is an apocalyptic number.

42284160 is a gapful number since it is divisible by the number (40) 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 42284160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74908800).

42284160 is an abundant number, since it is smaller than the sum of its proper divisors (107533440).

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

42284160 is a wasteful number, since it uses less digits than its factorization.

42284160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 42284160 is about 6502.6271613864. The cubic root of 42284160 is about 348.3848299335.

The spelling of 42284160 in words is "forty-two million, two hundred eighty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2447 2880 3456 4320 4894 5760 7341 8640 9788 12235 14682 17280 19576 22023 24470 29364 36705 39152 44046 48940 58728 66069 73410 78304 88092 97880 110115 117456 132138 146820 156608 176184 195760 220230 234912 264276 293640 313216 330345 352368 391520 440460 469824 528552 587280 660690 704736 783040 880920 939648 1057104 1174560 1321380 1409472 1566080 1761840 2114208 2349120 2642760 2818944 3523680 4228416 4698240 5285520 7047360 8456832 10571040 14094720 21142080 42284160