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3240091 = 9733403
BaseRepresentation
bin1100010111000010011011
320002121120101
430113002123
51312140331
6153240231
736353221
oct14270233
96077511
103240091
111913368
121103077
13895a1a
14604b11
15440061
hex31709b

3240091 has 4 divisors (see below), whose sum is σ = 3273592. Its totient is φ = 3206592.

The previous prime is 3240073. The next prime is 3240101. The reversal of 3240091 is 1900423.

3240091 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: 1900423 = 7271489.

It is a cyclic number.

It is not a de Polignac number, because 3240091 - 27 = 3239963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240031) 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, 16605 + ... + 16798.

It is an arithmetic number, because the mean of its divisors is an integer number (818398).

Almost surely, 23240091 is an apocalyptic number.

3240091 is a deficient number, since it is larger than the sum of its proper divisors (33501).

3240091 is an equidigital number, since it uses as much as digits as its factorization.

3240091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33500.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3240091 is about 1800.0252776003. The cubic root of 3240091 is about 147.9741097882.

The spelling of 3240091 in words is "three million, two hundred forty thousand, ninety-one".

Divisors: 1 97 33403 3240091