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42085960 = 2357297173
BaseRepresentation
bin1010000010001…
…0111001001000
32221012012002021
42200202321020
541233222320
64102014224
71020503410
oct240427110
987165067
1042085960
1121835894
1212117374
138947147
145837640
153a64daa
hex2822e48

42085960 has 128 divisors (see below), whose sum is σ = 115084800. Its totient is φ = 13547520.

The previous prime is 42085957. The next prime is 42085961. The reversal of 42085960 is 6958024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42085961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576484 + ... + 576556.

It is an arithmetic number, because the mean of its divisors is an integer number (899100).

Almost surely, 242085960 is an apocalyptic number.

42085960 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 42085960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57542400).

42085960 is an abundant number, since it is smaller than the sum of its proper divisors (72998840).

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

42085960 is a wasteful number, since it uses less digits than its factorization.

42085960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 42085960 is about 6487.3692665055. The cubic root of 42085960 is about 347.8396451508.

The spelling of 42085960 in words is "forty-two million, eighty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 71 73 116 140 142 145 146 203 232 280 284 290 292 355 365 406 497 511 568 580 584 710 730 812 994 1015 1022 1160 1420 1460 1624 1988 2030 2044 2059 2117 2485 2555 2840 2920 3976 4060 4088 4118 4234 4970 5110 5183 8120 8236 8468 9940 10220 10295 10366 10585 14413 14819 16472 16936 19880 20440 20590 20732 21170 25915 28826 29638 36281 41180 41464 42340 51830 57652 59276 72065 72562 74095 82360 84680 103660 115304 118552 144130 145124 148190 150307 181405 207320 288260 290248 296380 300614 362810 576520 592760 601228 725620 751535 1052149 1202456 1451240 1503070 2104298 3006140 4208596 5260745 6012280 8417192 10521490 21042980 42085960