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1994850 = 23252111331
BaseRepresentation
bin111100111000001100010
310202100102100
413213001202
51002313400
6110431230
722645614
oct7470142
93670370
101994850
111142840
12802516
1354acb0
1439cdb4
15296100
hex1e7062

1994850 has 144 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 432000.

The previous prime is 1994843. The next prime is 1994869. The reversal of 1994850 is 584991.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64335 + ... + 64365.

It is an arithmetic number, because the mean of its divisors is an integer number (45136).

21994850 is an apocalyptic number.

1994850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249792).

1994850 is an abundant number, since it is smaller than the sum of its proper divisors (4504734).

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

1994850 is a wasteful number, since it uses less digits than its factorization.

1994850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1994850 is about 1412.3915887600. The cubic root of 1994850 is about 125.8838688101.

The spelling of 1994850 in words is "one million, nine hundred ninety-four thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 13 15 18 22 25 26 30 31 33 39 45 50 55 62 65 66 75 78 90 93 99 110 117 130 143 150 155 165 186 195 198 225 234 275 279 286 310 325 330 341 390 403 429 450 465 495 550 558 585 650 682 715 775 806 825 858 930 975 990 1023 1170 1209 1287 1395 1430 1550 1650 1705 1950 2015 2046 2145 2325 2418 2475 2574 2790 2925 3069 3410 3575 3627 4030 4290 4433 4650 4950 5115 5850 6045 6138 6435 6975 7150 7254 8525 8866 10075 10230 10725 12090 12870 13299 13950 15345 17050 18135 20150 21450 22165 25575 26598 30225 30690 32175 36270 39897 44330 51150 60450 64350 66495 76725 79794 90675 110825 132990 153450 181350 199485 221650 332475 398970 664950 997425 1994850