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84112000 = 27537751
BaseRepresentation
bin1010000001101…
…11001010000000
312212021022222021
411000313022000
5133013041000
612202451224
72040640330
oct500671200
9185238867
1084112000
114352a655
1224203b14
131456cc1b
14b2570c0
1575b711a
hex5037280

84112000 has 128 divisors (see below), whose sum is σ = 239316480. Its totient is φ = 28800000.

The previous prime is 84111997. The next prime is 84112003. The reversal of 84112000 is 21148.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84111997) and next prime (84112003).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (84112003) 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, 111625 + ... + 112375.

It is an arithmetic number, because the mean of its divisors is an integer number (1869660).

Almost surely, 284112000 is an apocalyptic number.

84112000 is a gapful number since it is divisible by the number (80) 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 84112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119658240).

84112000 is an abundant number, since it is smaller than the sum of its proper divisors (155204480).

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

84112000 is an equidigital number, since it uses as much as digits as its factorization.

84112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 84112000 is about 9171.2594554946. The cubic root of 84112000 is about 438.1464728389.

Adding to 84112000 its reverse (21148), we get a palindrome (84133148).

The spelling of 84112000 in words is "eighty-four million, one hundred twelve thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 250 280 320 350 400 448 500 560 640 700 751 800 875 896 1000 1120 1400 1502 1600 1750 2000 2240 2800 3004 3200 3500 3755 4000 4480 5257 5600 6008 7000 7510 8000 10514 11200 12016 14000 15020 16000 18775 21028 22400 24032 26285 28000 30040 37550 42056 48064 52570 56000 60080 75100 84112 93875 96128 105140 112000 120160 131425 150200 168224 187750 210280 240320 262850 300400 336448 375500 420560 480640 525700 600800 657125 672896 751000 841120 1051400 1201600 1314250 1502000 1682240 2102800 2403200 2628500 3004000 3364480 4205600 5257000 6008000 8411200 10514000 12016000 16822400 21028000 42056000 84112000