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2144850 = 235279181
BaseRepresentation
bin1000001011101001010010
311000222011220
420023221102
51022113400
6113545510
724142131
oct10135122
94028156
102144850
111235504
12875296
135a1356
143db918
152c57a0
hex20ba52

2144850 has 48 divisors (see below), whose sum is σ = 5416320. Its totient is φ = 561600.

The previous prime is 2144843. The next prime is 2144867. The reversal of 2144850 is 584412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11760 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (112840).

22144850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708160).

2144850 is an abundant number, since it is smaller than the sum of its proper divisors (3271470).

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

2144850 is a wasteful number, since it uses less digits than its factorization.

2144850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2144850 is about 1464.5306415367. The cubic root of 2144850 is about 128.9631527475.

The spelling of 2144850 in words is "two million, one hundred forty-four thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 79 150 158 181 237 362 395 474 543 790 905 1086 1185 1810 1975 2370 2715 3950 4525 5430 5925 9050 11850 13575 14299 27150 28598 42897 71495 85794 142990 214485 357475 428970 714950 1072425 2144850