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3220331 = 11872713
BaseRepresentation
bin1100010010001101101011
320001121110112
430102031223
51311022311
6153004535
736241502
oct14221553
96047415
103220331
1118aa534
1210b374b
13889a2a
145db839
1543928b
hex31236b

3220331 has 4 divisors (see below), whose sum is σ = 3224232. Its totient is φ = 3216432.

The previous prime is 3220319. The next prime is 3220351. The reversal of 3220331 is 1330223.

3220331 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3220331 - 26 = 3220267 is a prime.

It is a super-2 number, since 2×32203312 = 20741063499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220351) 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, 170 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (806058).

Almost surely, 23220331 is an apocalyptic number.

3220331 is a deficient number, since it is larger than the sum of its proper divisors (3901).

3220331 is a wasteful number, since it uses less digits than its factorization.

3220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3220331 is about 1794.5280716668. The cubic root of 3220331 is about 147.6726848526.

Subtracting from 3220331 its product of nonzero digits (108), we obtain a palindrome (3220223).

Adding to 3220331 its reverse (1330223), we get a palindrome (4550554).

The spelling of 3220331 in words is "three million, two hundred twenty thousand, three hundred thirty-one".

Divisors: 1 1187 2713 3220331