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2065280 = 2757461
BaseRepresentation
bin111111000001110000000
310212221000212
413320032000
51012042110
6112133252
723361140
oct7701600
93787025
102065280
111190748
12837228
13574079
143ba920
152abe05
hex1f8380

2065280 has 64 divisors (see below), whose sum is σ = 5654880. Its totient is φ = 706560.

The previous prime is 2065267. The next prime is 2065309. The reversal of 2065280 is 825602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4250 + ... + 4710.

22065280 is an apocalyptic number.

2065280 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 2065280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827440).

2065280 is an abundant number, since it is smaller than the sum of its proper divisors (3589600).

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

2065280 is an equidigital number, since it uses as much as digits as its factorization.

2065280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2065280 is about 1437.1082074778. The cubic root of 2065280 is about 127.3482495493.

The spelling of 2065280 in words is "two million, sixty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 461 560 640 896 922 1120 1844 2240 2305 3227 3688 4480 4610 6454 7376 9220 12908 14752 16135 18440 25816 29504 32270 36880 51632 59008 64540 73760 103264 129080 147520 206528 258160 295040 413056 516320 1032640 2065280