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3091441 = 4175401
BaseRepresentation
bin1011110010101111110001
312211001122211
423302233301
51242411231
6150132121
735163643
oct13625761
95731584
103091441
111821711
121051041
13843172
145a6893
15410eb1
hex2f2bf1

3091441 has 4 divisors (see below), whose sum is σ = 3166884. Its totient is φ = 3016000.

The previous prime is 3091427. The next prime is 3091457. The reversal of 3091441 is 1441903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 2560000 = 729^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3091441 - 25 = 3091409 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37660 + ... + 37741.

It is an arithmetic number, because the mean of its divisors is an integer number (791721).

Almost surely, 23091441 is an apocalyptic number.

It is an amenable number.

3091441 is a deficient number, since it is larger than the sum of its proper divisors (75443).

3091441 is an equidigital number, since it uses as much as digits as its factorization.

3091441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75442.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3091441 is about 1758.2494134792. The cubic root of 3091441 is about 145.6756576816.

The spelling of 3091441 in words is "three million, ninety-one thousand, four hundred forty-one".

Divisors: 1 41 75401 3091441