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42240960 = 263354889
BaseRepresentation
bin1010000100100…
…0101111000000
32221111001201000
42201020233000
541303202320
64105212000
71022020326
oct241105700
987431630
1042240960
1121931293
1212191000
13899c868
145877d16
153a95c90
hex2848bc0

42240960 has 112 divisors (see below), whose sum is σ = 149047200. Its totient is φ = 11261952.

The previous prime is 42240959. The next prime is 42240973. The reversal of 42240960 is 6904224.

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

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, 6196 + ... + 11084.

Almost surely, 242240960 is an apocalyptic number.

42240960 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 42240960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74523600).

42240960 is an abundant number, since it is smaller than the sum of its proper divisors (106806240).

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

42240960 is a wasteful number, since it uses less digits than its factorization.

42240960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42240960 is about 6499.3045781837. The cubic root of 42240960 is about 348.2661459869.

The spelling of 42240960 in words is "forty-two million, two hundred forty thousand, nine 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 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 4889 8640 9778 14667 19556 24445 29334 39112 44001 48890 58668 73335 78224 88002 97780 117336 132003 146670 156448 176004 195560 220005 234672 264006 293340 312896 352008 391120 440010 469344 528012 586680 660015 704016 782240 880020 938688 1056024 1173360 1320030 1408032 1564480 1760040 2112048 2346720 2640060 2816064 3520080 4224096 4693440 5280120 7040160 8448192 10560240 14080320 21120480 42240960