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42828480 = 263354957
BaseRepresentation
bin1010001101100…
…0001011000000
32222120220122000
42203120023000
541431002410
64125544000
71030015242
oct243301300
988526560
1042828480
11221a2742
1212415000
138b470c6
14598c092
153b5edc0
hex28d82c0

42828480 has 112 divisors (see below), whose sum is σ = 151119840. Its totient is φ = 11418624.

The previous prime is 42828449. The next prime is 42828481. The reversal of 42828480 is 8482824.

It is a super-2 number, since 2×428284802 = 3668557398220800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (42828481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6162 + ... + 11118.

Almost surely, 242828480 is an apocalyptic number.

42828480 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 42828480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75559920).

42828480 is an abundant number, since it is smaller than the sum of its proper divisors (108291360).

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

42828480 is a wasteful number, since it uses less digits than its factorization.

42828480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4967 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 42828480 is about 6544.3471790546. The cubic root of 42828480 is about 349.8733691562.

The spelling of 42828480 in words is "forty-two million, eight hundred twenty-eight thousand, four hundred eighty".

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 4957 8640 9914 14871 19828 24785 29742 39656 44613 49570 59484 74355 79312 89226 99140 118968 133839 148710 158624 178452 198280 223065 237936 267678 297420 317248 356904 396560 446130 475872 535356 594840 669195 713808 793120 892260 951744 1070712 1189680 1338390 1427616 1586240 1784520 2141424 2379360 2676780 2855232 3569040 4282848 4758720 5353560 7138080 8565696 10707120 14276160 21414240 42828480