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3288281 = 29149761
BaseRepresentation
bin1100100010110011011001
320012001200012
430202303121
51320211111
6154251305
736643553
oct14426331
96161605
103288281
111946597
121126b35
138b1939
146184d3
1544e48b
hex322cd9

3288281 has 8 divisors (see below), whose sum is σ = 3429000. Its totient is φ = 3149440.

The previous prime is 3288269. The next prime is 3288317. The reversal of 3288281 is 1828823.

3288281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 105625 + 3182656 = 325^2 + 1784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3288281 is a prime.

It is a super-2 number, since 2×32882812 = 21625583869922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3288781) 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 7 ways as a sum of consecutive naturals, for example, 3941 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (428625).

Almost surely, 23288281 is an apocalyptic number.

It is an amenable number.

3288281 is a deficient number, since it is larger than the sum of its proper divisors (140719).

3288281 is a wasteful number, since it uses less digits than its factorization.

3288281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its digits is 6144, while the sum is 32.

The square root of 3288281 is about 1813.3617951198. The cubic root of 3288281 is about 148.7041107888.

The spelling of 3288281 in words is "three million, two hundred eighty-eight thousand, two hundred eighty-one".

Divisors: 1 29 149 761 4321 22069 113389 3288281