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42956160 = 2735131721
BaseRepresentation
bin1010001111011…
…1010110000000
32222211101202220
42203313112000
541444044120
64132411040
71031056422
oct243672600
988741686
1042956160
112227a665
1212476a80
138b90260
1459c2812
153b87b40
hex28f7580

42956160 has 128 divisors (see below), whose sum is σ = 147540960. Its totient is φ = 10567680.

The previous prime is 42956153. The next prime is 42956191. The reversal of 42956160 is 6165924.

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

It is a congruent number.

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, 24100 + ... + 25820.

Almost surely, 242956160 is an apocalyptic number.

42956160 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 42956160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73770480).

42956160 is an abundant number, since it is smaller than the sum of its proper divisors (104584800).

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

42956160 is a wasteful number, since it uses less digits than its factorization.

42956160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 42956160 is about 6554.0949031884. The cubic root of 42956160 is about 350.2207043356.

The spelling of 42956160 in words is "forty-two million, nine hundred fifty-six thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 260 312 320 384 390 416 480 520 624 640 780 832 960 1040 1248 1560 1664 1721 1920 2080 2496 3120 3442 4160 4992 5163 6240 6884 8320 8605 10326 12480 13768 17210 20652 22373 24960 25815 27536 34420 41304 44746 51630 55072 67119 68840 82608 89492 103260 110144 111865 134238 137680 165216 178984 206520 220288 223730 268476 275360 330432 335595 357968 413040 447460 536952 550720 660864 671190 715936 826080 894920 1073904 1101440 1342380 1431872 1652160 1789840 2147808 2684760 2863744 3304320 3579680 4295616 5369520 7159360 8591232 10739040 14318720 21478080 42956160