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85683000 = 23353134
BaseRepresentation
bin1010001101101…
…10101100111000
312222020010222110
411012312230320
5133413324000
612300252320
72060202444
oct506665470
9188203873
1085683000
11444029a7
12248410a0
13149a0000
14b545824
1577c7850
hex51b6b38

85683000 has 160 divisors (see below), whose sum is σ = 289607760. Its totient is φ = 21091200.

The previous prime is 85682959. The next prime is 85683007. The reversal of 85683000 is 38658.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85683007) 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, 6590994 + ... + 6591006.

Almost surely, 285683000 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 85683000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144803880).

85683000 is an abundant number, since it is smaller than the sum of its proper divisors (203924760).

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

85683000 is an equidigital number, since it uses as much as digits as its factorization.

85683000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 85683000 is about 9256.5112218373. The cubic root of 85683000 is about 440.8574875918.

Multiplying 85683000 by its sum of digits (30), we get a square (2570490000 = 507002).

85683000 divided by its sum of digits (30) gives a square (2856100 = 16902).

The spelling of 85683000 in words is "eighty-five million, six hundred eighty-three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 100 104 120 125 130 150 156 169 195 200 250 260 300 312 325 338 375 390 500 507 520 600 650 676 750 780 845 975 1000 1014 1300 1352 1500 1560 1625 1690 1950 2028 2197 2535 2600 3000 3250 3380 3900 4056 4225 4394 4875 5070 6500 6591 6760 7800 8450 8788 9750 10140 10985 12675 13000 13182 16900 17576 19500 20280 21125 21970 25350 26364 28561 32955 33800 39000 42250 43940 50700 52728 54925 57122 63375 65910 84500 85683 87880 101400 109850 114244 126750 131820 142805 164775 169000 171366 219700 228488 253500 263640 274625 285610 329550 342732 428415 439400 507000 549250 571220 659100 685464 714025 823875 856830 1098500 1142440 1318200 1428050 1647750 1713660 2142075 2197000 2856100 3295500 3427320 3570125 4284150 5712200 6591000 7140250 8568300 10710375 14280500 17136600 21420750 28561000 42841500 85683000