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3291097 = 9973301
BaseRepresentation
bin1100100011011111011001
320012012112111
430203133121
51320303342
6154312321
736655015
oct14433731
96165474
103291097
111948717
1211286a1
138b2cc4
14619545
15450217
hex3237d9

3291097 has 4 divisors (see below), whose sum is σ = 3295396. Its totient is φ = 3286800.

The previous prime is 3291083. The next prime is 3291109. The reversal of 3291097 is 7901923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7901923 = 17464819.

It can be written as a sum of positive squares in 2 ways, for example, as 1792921 + 1498176 = 1339^2 + 1224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3291097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3291017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654 + ... + 2647.

It is an arithmetic number, because the mean of its divisors is an integer number (823849).

Almost surely, 23291097 is an apocalyptic number.

It is an amenable number.

3291097 is a deficient number, since it is larger than the sum of its proper divisors (4299).

3291097 is an equidigital number, since it uses as much as digits as its factorization.

3291097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 3291097 is about 1814.1380873572. The cubic root of 3291097 is about 148.7465474801.

The spelling of 3291097 in words is "three million, two hundred ninety-one thousand, ninety-seven".

Divisors: 1 997 3301 3291097