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42828800 = 210527239
BaseRepresentation
bin1010001101100…
…0010000000000
32222120221001212
42203120100000
541431010200
64125545252
71030016210
oct243302000
988527055
1042828800
11221a2a03
1212415228
138b472b1
14598c240
153b60035
hex28d8400

42828800 has 132 divisors (see below), whose sum is σ = 121837440. Its totient is φ = 14622720.

The previous prime is 42828791. The next prime is 42828809. The reversal of 42828800 is 882824.

It is an interprime number because it is at equal distance from previous prime (42828791) and next prime (42828809).

It is a super-2 number, since 2×428288002 = 3668612218880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (42828809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179081 + ... + 179319.

Almost surely, 242828800 is an apocalyptic number.

42828800 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 42828800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60918720).

42828800 is an abundant number, since it is smaller than the sum of its proper divisors (79008640).

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

42828800 is a wasteful number, since it uses less digits than its factorization.

42828800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 42828800 is about 6544.3716275896. The cubic root of 42828800 is about 349.8742405327.

The spelling of 42828800 in words is "forty-two million, eight hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 239 256 280 320 350 400 448 478 512 560 640 700 800 896 956 1024 1120 1195 1280 1400 1600 1673 1792 1912 2240 2390 2560 2800 3200 3346 3584 3824 4480 4780 5120 5600 5975 6400 6692 7168 7648 8365 8960 9560 11200 11950 12800 13384 15296 16730 17920 19120 22400 23900 25600 26768 30592 33460 35840 38240 41825 44800 47800 53536 61184 66920 76480 83650 89600 95600 107072 122368 133840 152960 167300 179200 191200 214144 244736 267680 305920 334600 382400 428288 535360 611840 669200 764800 856576 1070720 1223680 1338400 1529600 1713152 2141440 2676800 3059200 4282880 5353600 6118400 8565760 10707200 21414400 42828800