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2660112 = 2432721329
BaseRepresentation
bin1010001001011100010000
312000010222200
422021130100
51140110422
6133003200
731416300
oct12113420
95003880
102660112
111557644
12a83500
13721a40
144d3600
153782ac
hex289710

2660112 has 180 divisors, whose sum is σ = 9647820. Its totient is φ = 677376.

The previous prime is 2660107. The next prime is 2660117. The reversal of 2660112 is 2110662.

It is a happy number.

2660112 is a `hidden beast` number, since 2 + 660 + 1 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2660107) and next prime (2660117).

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 1806336 = 924^2 + 1344^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2660117) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91714 + ... + 91742.

It is an arithmetic number, because the mean of its divisors is an integer number (53599).

22660112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4823910).

2660112 is an abundant number, since it is smaller than the sum of its proper divisors (6987708).

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

2660112 is a wasteful number, since it uses less digits than its factorization.

2660112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2660112 is about 1630.9849784716. The cubic root of 2660112 is about 138.5585428503.

Adding to 2660112 its reverse (2110662), we get a palindrome (4770774).

It can be divided in two parts, 2660 and 112, that added together give a palindrome (2772).

The spelling of 2660112 in words is "two million, six hundred sixty thousand, one hundred twelve".