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3113291 = 3784143
BaseRepresentation
bin1011111000000101001011
312212011122002
423320011023
51244111131
6150421215
735314436
oct13700513
95764562
103113291
111837075
12106180b
138500ac
145b081d
154176cb
hex2f814b

3113291 has 4 divisors (see below), whose sum is σ = 3197472. Its totient is φ = 3029112.

The previous prime is 3113281. The next prime is 3113317. The reversal of 3113291 is 1923113.

3113291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1923113 = 10318671.

It is a cyclic number.

It is not a de Polignac number, because 3113291 - 210 = 3112267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113221) 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 3 ways as a sum of consecutive naturals, for example, 42035 + ... + 42108.

It is an arithmetic number, because the mean of its divisors is an integer number (799368).

Almost surely, 23113291 is an apocalyptic number.

3113291 is a deficient number, since it is larger than the sum of its proper divisors (84181).

3113291 is an equidigital number, since it uses as much as digits as its factorization.

3113291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84180.

The product of its digits is 162, while the sum is 20.

The square root of 3113291 is about 1764.4520395862. The cubic root of 3113291 is about 146.0180593161.

The spelling of 3113291 in words is "three million, one hundred thirteen thousand, two hundred ninety-one".

Divisors: 1 37 84143 3113291