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3290909 = 2326221
BaseRepresentation
bin1100100011011100011101
320012012021112
430203130131
51320302114
6154311405
736654326
oct14433435
96165245
103290909
111948566
121128565
138b2bab
1461944d
1545013e
hex32371d

3290909 has 6 divisors (see below), whose sum is σ = 3440766. Its totient is φ = 3147320.

The previous prime is 3290887. The next prime is 3290927. The reversal of 3290909 is 9090923.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 1322500 = 1403^2 + 1150^2 .

It is not a de Polignac number, because 3290909 - 28 = 3290653 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3290909 is a modest number, since divided by 909 gives 329 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3290009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2582 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (573461).

Almost surely, 23290909 is an apocalyptic number.

It is an amenable number.

3290909 is a deficient number, since it is larger than the sum of its proper divisors (149857).

3290909 is an equidigital number, since it uses as much as digits as its factorization.

3290909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267 (or 6244 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 3290909 is about 1814.0862713774. The cubic root of 3290909 is about 148.7437151030.

The spelling of 3290909 in words is "three million, two hundred ninety thousand, nine hundred nine".

Divisors: 1 23 529 6221 143083 3290909