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2066288 = 24719971
BaseRepresentation
bin111111000011101110000
310212222102012
413320131300
51012110123
6112142052
723364110
oct7703560
93788365
102066288
111191484
12837928
13574673
143bb040
152ac378
hex1f8770

2066288 has 40 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 838080.

The previous prime is 2066287. The next prime is 2066293. The reversal of 2066288 is 8826602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (120528).

22066288 is an apocalyptic number.

2066288 is a gapful number since it is divisible by the number (28) 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 2066288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410560).

2066288 is an abundant number, since it is smaller than the sum of its proper divisors (2754832).

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

2066288 is a wasteful number, since it uses less digits than its factorization.

2066288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2066288 is about 1437.4588689768. The cubic root of 2066288 is about 127.3689644414.

The spelling of 2066288 in words is "two million, sixty-six thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 971 1064 1942 2128 3884 6797 7768 13594 15536 18449 27188 36898 54376 73796 108752 129143 147592 258286 295184 516572 1033144 2066288