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330300221 = 3712017433
BaseRepresentation
bin10011101011111…
…111101100111101
3212000111222201112
4103223333230331
51134024101341
652435251405
711120335256
oct2353775475
9760458645
10330300221
1115a49a499
1292749b65
1353579624
1431c1db2d
151dee6aeb
hex13affb3d

330300221 has 8 divisors (see below), whose sum is σ = 339555384. Its totient is φ = 321062400.

The previous prime is 330300197. The next prime is 330300233. The reversal of 330300221 is 122003033.

It can be written as a sum of positive squares in 4 ways, for example, as 151321 + 330148900 = 389^2 + 18170^2 .

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-330300221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330300196 and 330300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330300281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40721 + ... + 48153.

It is an arithmetic number, because the mean of its divisors is an integer number (42444423).

Almost surely, 2330300221 is an apocalyptic number.

It is an amenable number.

330300221 is a deficient number, since it is larger than the sum of its proper divisors (9255163).

330300221 is a wasteful number, since it uses less digits than its factorization.

330300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8671.

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

The square root of 330300221 is about 18174.1635570939. The cubic root of 330300221 is about 691.2518205106.

Adding to 330300221 its reverse (122003033), we get a palindrome (452303254).

The spelling of 330300221 in words is "three hundred thirty million, three hundred thousand, two hundred twenty-one".

Divisors: 1 37 1201 7433 44437 275021 8927033 330300221