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2665141 = 17211743
BaseRepresentation
bin1010001010101010110101
312000101212221
422022222311
51140241031
6133042341
731440043
oct12125265
95011787
102665141
1115603a6
12a863b1
1372410b
144d5393
15379a11
hex28aab5

2665141 has 8 divisors (see below), whose sum is σ = 2839104. Its totient is φ = 2493120.

The previous prime is 2665139. The next prime is 2665177. The reversal of 2665141 is 1415662.

2665141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2665141 - 21 = 2665139 is a prime.

It is a Duffinian number.

2665141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 3958.

It is an arithmetic number, because the mean of its divisors is an integer number (354888).

22665141 is an apocalyptic number.

2665141 is the 1033-rd centered pentagonal number.

It is an amenable number.

2665141 is a deficient number, since it is larger than the sum of its proper divisors (173963).

2665141 is a wasteful number, since it uses less digits than its factorization.

2665141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 1440, while the sum is 25.

The square root of 2665141 is about 1632.5259569146. The cubic root of 2665141 is about 138.6458038705.

The spelling of 2665141 in words is "two million, six hundred sixty-five thousand, one hundred forty-one".

Divisors: 1 17 211 743 3587 12631 156773 2665141