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128034000 = 2433532371
BaseRepresentation
bin1111010000110…
…10010011010000
322220220210122000
413220122103100
5230234042000
620412114000
73113161653
oct750322320
9286823560
10128034000
11662a9926
1236a65900
13206aa983
141300b89a
15b391000
hex7a1a4d0

128034000 has 160 divisors (see below), whose sum is σ = 458839680. Its totient is φ = 34128000.

The previous prime is 128033977. The next prime is 128034007. The reversal of 128034000 is 430821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128034007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52815 + ... + 55185.

It is an arithmetic number, because the mean of its divisors is an integer number (2867748).

Almost surely, 2128034000 is an apocalyptic number.

128034000 is a gapful number since it is divisible by the number (10) 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 128034000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229419840).

128034000 is an abundant number, since it is smaller than the sum of its proper divisors (330805680).

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

128034000 is a wasteful number, since it uses less digits than its factorization.

128034000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 128034000 is about 11315.2110011259. The cubic root of 128034000 is about 504.0130382115.

Adding to 128034000 its reverse (430821), we get a palindrome (128464821).

The spelling of 128034000 in words is "one hundred twenty-eight million, thirty-four thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 125 135 144 150 180 200 216 225 240 250 270 300 360 375 400 432 450 500 540 600 675 720 750 900 1000 1080 1125 1200 1350 1500 1800 2000 2160 2250 2371 2700 3000 3375 3600 4500 4742 5400 6000 6750 7113 9000 9484 10800 11855 13500 14226 18000 18968 21339 23710 27000 28452 35565 37936 42678 47420 54000 56904 59275 64017 71130 85356 94840 106695 113808 118550 128034 142260 170712 177825 189680 213390 237100 256068 284520 296375 320085 341424 355650 426780 474200 512136 533475 569040 592750 640170 711300 853560 889125 948400 1024272 1066950 1185500 1280340 1422600 1600425 1707120 1778250 2133900 2371000 2560680 2667375 2845200 3200850 3556500 4267800 4742000 5121360 5334750 6401700 7113000 8002125 8535600 10669500 12803400 14226000 16004250 21339000 25606800 32008500 42678000 64017000 128034000