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2144085600 = 253523312699
BaseRepresentation
bin111111111001100…
…0010011001100000
312112102110211111210
41333303002121200
513342341214400
6552431110120
7104063266266
oct17763023140
95472424453
102144085600
11a0030a278
124ba072340
13282285207
14164a84436
15c8374950
hex7fcc2660

2144085600 has 144 divisors (see below), whose sum is σ = 7002676800. Its totient is φ = 569817600.

The previous prime is 2144085569. The next prime is 2144085607. The reversal of 2144085600 is 65804412.

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 (2144085607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793051 + ... + 795749.

It is an arithmetic number, because the mean of its divisors is an integer number (48629700).

Almost surely, 22144085600 is an apocalyptic number.

2144085600 is a gapful number since it is divisible by the number (20) 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 2144085600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3501338400).

2144085600 is an abundant number, since it is smaller than the sum of its proper divisors (4858591200).

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

2144085600 is a wasteful number, since it uses less digits than its factorization.

2144085600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2144085600 is about 46304.2719411503. The cubic root of 2144085600 is about 1289.4783059641.

The spelling of 2144085600 in words is "two billion, one hundred forty-four million, eighty-five thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 331 400 480 600 662 800 993 1200 1324 1655 1986 2400 2648 2699 3310 3972 4965 5296 5398 6620 7944 8097 8275 9930 10592 10796 13240 13495 15888 16194 16550 19860 21592 24825 26480 26990 31776 32388 33100 39720 40485 43184 49650 52960 53980 64776 66200 67475 79440 80970 86368 99300 107960 129552 132400 134950 158880 161940 198600 202425 215920 259104 264800 269900 323880 397200 404850 431840 539800 647760 794400 809700 893369 1079600 1295520 1619400 1786738 2159200 2680107 3238800 3573476 4466845 5360214 6477600 7146952 8933690 10720428 13400535 14293904 17867380 21440856 22334225 26801070 28587808 35734760 42881712 44668450 53602140 67002675 71469520 85763424 89336900 107204280 134005350 142939040 178673800 214408560 268010700 357347600 428817120 536021400 714695200 1072042800 2144085600