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2606045 = 51340093
BaseRepresentation
bin1001111100001111011101
311220101211012
421330033131
51131343140
6131505005
731102541
oct11741735
94811735
102606045
11151aa62
12a58165
13703250
144bba21
15367265
hex27c3dd

2606045 has 8 divisors (see below), whose sum is σ = 3367896. Its totient is φ = 1924416.

The previous prime is 2606041. The next prime is 2606053. The reversal of 2606045 is 5406062.

2606045 = 11412 + 11422.

It can be written as a sum of positive squares in 4 ways, for example, as 52441 + 2553604 = 229^2 + 1598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2606045 - 22 = 2606041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2606045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606041) 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, 19982 + ... + 20111.

It is an arithmetic number, because the mean of its divisors is an integer number (420987).

22606045 is an apocalyptic number.

2606045 is the 1142-nd centered square number.

It is an amenable number.

2606045 is a deficient number, since it is larger than the sum of its proper divisors (761851).

2606045 is a wasteful number, since it uses less digits than its factorization.

2606045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40111.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2606045 is about 1614.3249363124. The cubic root of 2606045 is about 137.6133720611.

The spelling of 2606045 in words is "two million, six hundred six thousand, forty-five".

Divisors: 1 5 13 65 40093 200465 521209 2606045