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330133220 = 22561270601
BaseRepresentation
bin10011101011010…
…110111011100100
3212000012111122022
4103223112323210
51134003230340
652431522312
711116041344
oct2353267344
9760174568
10330133220
1115a395a7a
1292689398
135351b601
1431bb8d24
151deb23b5
hex13ad6ee4

330133220 has 24 divisors (see below), whose sum is σ = 704647608. Its totient is φ = 129888000.

The previous prime is 330133171. The next prime is 330133241. The reversal of 330133220 is 22331033.

It can be written as a sum of positive squares in 4 ways, for example, as 6421156 + 323712064 = 2534^2 + 17992^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134081 + ... + 136520.

It is an arithmetic number, because the mean of its divisors is an integer number (29360317).

Almost surely, 2330133220 is an apocalyptic number.

It is an amenable number.

330133220 is an abundant number, since it is smaller than the sum of its proper divisors (374514388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330133220 is a wasteful number, since it uses less digits than its factorization.

330133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270671 (or 270669 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 330133220 is about 18169.5685144144. The cubic root of 330133220 is about 691.1353010545.

Adding to 330133220 its reverse (22331033), we get a palindrome (352464253).

The spelling of 330133220 in words is "three hundred thirty million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 270601 541202 1082404 1353005 2706010 5412020 16506661 33013322 66026644 82533305 165066610 330133220