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3355221 = 39471181
BaseRepresentation
bin1100110011001001010101
320022110111110
430303021111
51324331341
6155525233
740342662
oct14631125
96273443
103355221
111991911
121159819
1390624c
14634a69
15464216
hex333255

3355221 has 8 divisors (see below), whose sum is σ = 4482144. Its totient is φ = 2232560.

The previous prime is 3355207. The next prime is 3355241. The reversal of 3355221 is 1225533.

3355221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-3355221 is a prime.

It is a super-3 number, since 3×33552213 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355201) 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, 2251 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (560268).

Almost surely, 23355221 is an apocalyptic number.

It is an amenable number.

3355221 is a deficient number, since it is larger than the sum of its proper divisors (1126923).

3355221 is a wasteful number, since it uses less digits than its factorization.

3355221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its digits is 900, while the sum is 21.

The square root of 3355221 is about 1831.7262350035. The cubic root of 3355221 is about 149.7064034933.

The spelling of 3355221 in words is "three million, three hundred fifty-five thousand, two hundred twenty-one".

Divisors: 1 3 947 1181 2841 3543 1118407 3355221