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3081611 = 131012347
BaseRepresentation
bin1011110000010110001011
312210120011202
423300112023
51242102421
6150014415
735123201
oct13602613
95716152
103081611
111815295
12104740b
1383b850
145a3071
1540d10b
hex2f058b

3081611 has 8 divisors (see below), whose sum is σ = 3352944. Its totient is φ = 2815200.

The previous prime is 3081599. The next prime is 3081643. The reversal of 3081611 is 1161803.

3081611 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 a de Polignac number, because none of the positive numbers 2k-3081611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081691) 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, 140 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (419118).

Almost surely, 23081611 is an apocalyptic number.

3081611 is a deficient number, since it is larger than the sum of its proper divisors (271333).

3081611 is a wasteful number, since it uses less digits than its factorization.

3081611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 3081611 is about 1755.4517936987. The cubic root of 3081611 is about 145.5210898288.

The spelling of 3081611 in words is "three million, eighty-one thousand, six hundred eleven".

Divisors: 1 13 101 1313 2347 30511 237047 3081611