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2666120 = 23566653
BaseRepresentation
bin1010001010111010001000
312000110020012
422022322020
51140303440
6133051052
731442642
oct12127210
95013205
102666120
111561106
12a86a88
137246b2
144d5892
15379e65
hex28ae88

2666120 has 16 divisors (see below), whose sum is σ = 5998860. Its totient is φ = 1066432.

The previous prime is 2666117. The next prime is 2666141. The reversal of 2666120 is 216662.

It can be written as a sum of positive squares in 2 ways, for example, as 2184484 + 481636 = 1478^2 + 694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33287 + ... + 33366.

22666120 is an apocalyptic number.

2666120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666120 is an abundant number, since it is smaller than the sum of its proper divisors (3332740).

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

2666120 is a wasteful number, since it uses less digits than its factorization.

2666120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66664 (or 66660 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2666120 is about 1632.8257714772. The cubic root of 2666120 is about 138.6627782851.

The spelling of 2666120 in words is "two million, six hundred sixty-six thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 66653 133306 266612 333265 533224 666530 1333060 2666120