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2660147 = 72931297
BaseRepresentation
bin1010001001011100110011
312000011000222
422021130303
51140111042
6133003255
731416350
oct12113463
95004028
102660147
111557676
12a8352b
13721a69
144d3627
153782d2
hex289733

2660147 has 8 divisors (see below), whose sum is σ = 3052896. Its totient is φ = 2270592.

The previous prime is 2660137. The next prime is 2660173. The reversal of 2660147 is 7410662.

2660147 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 2660147 - 24 = 2660131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660107) 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, 1403 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (381612).

22660147 is an apocalyptic number.

2660147 is a deficient number, since it is larger than the sum of its proper divisors (392749).

2660147 is a wasteful number, since it uses less digits than its factorization.

2660147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2660147 is about 1630.9957081489. The cubic root of 2660147 is about 138.5591505350.

The spelling of 2660147 in words is "two million, six hundred sixty thousand, one hundred forty-seven".

Divisors: 1 7 293 1297 2051 9079 380021 2660147