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42528000 = 28353443
BaseRepresentation
bin1010001000111…
…0110100000000
32222000122110010
42202032310000
541341344000
64115304520
71024324224
oct242166400
988018403
1042528000
1122007a09
12122ab140
138a703c8
145910784
153b00d50
hex288ed00

42528000 has 144 divisors (see below), whose sum is σ = 141575616. Its totient is φ = 11315200.

The previous prime is 42527993. The next prime is 42528019. The reversal of 42528000 is 82524.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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, 95779 + ... + 96221.

It is an arithmetic number, because the mean of its divisors is an integer number (983164).

Almost surely, 242528000 is an apocalyptic number.

42528000 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 42528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70787808).

42528000 is an abundant number, since it is smaller than the sum of its proper divisors (99047616).

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

42528000 is an equidigital number, since it uses as much as digits as its factorization.

42528000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42528000 is about 6521.3495535817. The cubic root of 42528000 is about 349.0532235202.

The spelling of 42528000 in words is "forty-two million, five hundred twenty-eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 128 150 160 192 200 240 250 256 300 320 375 384 400 443 480 500 600 640 750 768 800 886 960 1000 1200 1280 1329 1500 1600 1772 1920 2000 2215 2400 2658 3000 3200 3544 3840 4000 4430 4800 5316 6000 6400 6645 7088 8000 8860 9600 10632 11075 12000 13290 14176 16000 17720 19200 21264 22150 24000 26580 28352 32000 33225 35440 42528 44300 48000 53160 55375 56704 66450 70880 85056 88600 96000 106320 110750 113408 132900 141760 166125 170112 177200 212640 221500 265800 283520 332250 340224 354400 425280 443000 531600 567040 664500 708800 850560 886000 1063200 1329000 1417600 1701120 1772000 2126400 2658000 2835200 3544000 4252800 5316000 7088000 8505600 10632000 14176000 21264000 42528000