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8385000 = 233541343
BaseRepresentation
bin11111111111000111101000
3120210000001120
4133333013220
54121310000
6455415240
7131162031
oct37770750
916700046
108385000
114807858
122984520
131977750
141183a88
15b096a0
hex7ff1e8

8385000 has 160 divisors (see below), whose sum is σ = 28865760. Its totient is φ = 2016000.

The previous prime is 8384993. The next prime is 8385001. The reversal of 8385000 is 5838.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (8385001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 194979 + ... + 195021.

It is an arithmetic number, because the mean of its divisors is an integer number (180411).

Almost surely, 28385000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8385000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14432880).

8385000 is an abundant number, since it is smaller than the sum of its proper divisors (20480760).

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

8385000 is a wasteful number, since it uses less digits than its factorization.

8385000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8385000 is about 2895.6864471141. The cubic root of 8385000 is about 203.1581997016.

The spelling of 8385000 in words is "eight million, three hundred eighty-five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 43 50 52 60 65 75 78 86 100 104 120 125 129 130 150 156 172 195 200 215 250 258 260 300 312 325 344 375 390 430 500 516 520 559 600 625 645 650 750 780 860 975 1000 1032 1075 1118 1250 1290 1300 1500 1560 1625 1677 1720 1875 1950 2150 2236 2500 2580 2600 2795 3000 3225 3250 3354 3750 3900 4300 4472 4875 5000 5160 5375 5590 6450 6500 6708 7500 7800 8125 8385 8600 9750 10750 11180 12900 13000 13416 13975 15000 16125 16250 16770 19500 21500 22360 24375 25800 26875 27950 32250 32500 33540 39000 41925 43000 48750 53750 55900 64500 65000 67080 69875 80625 83850 97500 107500 111800 129000 139750 161250 167700 195000 209625 215000 279500 322500 335400 349375 419250 559000 645000 698750 838500 1048125 1397500 1677000 2096250 2795000 4192500 8385000