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330441221 = 1130040111
BaseRepresentation
bin10011101100100…
…010001000000101
3212000210011010202
4103230202020011
51134043104341
652442300245
711121463325
oct2354421005
9760704122
10330441221
1115a586420
12927b7685
13535c8866
1431c59285
151e02379b
hex13b22205

330441221 has 4 divisors (see below), whose sum is σ = 360481344. Its totient is φ = 300401100.

The previous prime is 330441193. The next prime is 330441233. The reversal of 330441221 is 122144033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330441221 - 218 = 330179077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330441193 and 330441202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330441281) 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, 15020045 + ... + 15020066.

It is an arithmetic number, because the mean of its divisors is an integer number (90120336).

Almost surely, 2330441221 is an apocalyptic number.

It is an amenable number.

330441221 is a deficient number, since it is larger than the sum of its proper divisors (30040123).

330441221 is a wasteful number, since it uses less digits than its factorization.

330441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30040122.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 330441221 is about 18178.0422763289. The cubic root of 330441221 is about 691.3501680490.

Adding to 330441221 its reverse (122144033), we get a palindrome (452585254).

The spelling of 330441221 in words is "three hundred thirty million, four hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 11 30040111 330441221