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42968160 = 2532553563
BaseRepresentation
bin1010001111101…
…0010001100000
32222212000020100
42203322101200
541444440120
64132542400
71031136414
oct243722140
988760210
1042968160
1122288684
1212481a00
138b95861
1459c6d44
153b8b490
hex28fa460

42968160 has 144 divisors (see below), whose sum is σ = 149660784. Its totient is φ = 11222016.

The previous prime is 42968147. The next prime is 42968161. The reversal of 42968160 is 6186924.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42968161) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 76039 + ... + 76601.

It is an arithmetic number, because the mean of its divisors is an integer number (1039311).

Almost surely, 242968160 is an apocalyptic number.

42968160 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 42968160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74830392).

42968160 is an abundant number, since it is smaller than the sum of its proper divisors (106692624).

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

42968160 is a wasteful number, since it uses less digits than its factorization.

42968160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42968160 is about 6555.0102974747. The cubic root of 42968160 is about 350.2533132184.

The spelling of 42968160 in words is "forty-two million, nine hundred sixty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 53 60 72 80 90 96 106 120 144 159 160 180 212 240 265 288 318 360 424 477 480 530 563 636 720 795 848 954 1060 1126 1272 1440 1590 1689 1696 1908 2120 2252 2385 2544 2815 3180 3378 3816 4240 4504 4770 5067 5088 5630 6360 6756 7632 8445 8480 9008 9540 10134 11260 12720 13512 15264 16890 18016 19080 20268 22520 25335 25440 27024 29839 33780 38160 40536 45040 50670 54048 59678 67560 76320 81072 89517 90080 101340 119356 135120 149195 162144 179034 202680 238712 268551 270240 298390 358068 405360 447585 477424 537102 596780 716136 810720 895170 954848 1074204 1193560 1342755 1432272 1790340 2148408 2387120 2685510 2864544 3580680 4296816 4774240 5371020 7161360 8593632 10742040 14322720 21484080 42968160