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330303220 = 225131966863
BaseRepresentation
bin10011101100000…
…000011011110100
3212000112010211121
4103230000123310
51134024200340
652435313324
711120350102
oct2354003364
9760463747
10330303220
1115a4a1775
129274b844
135357aac0
1431c20c72
151dee794a
hex13b006f4

330303220 has 48 divisors (see below), whose sum is σ = 786320640. Its totient is φ = 115537536.

The previous prime is 330303209. The next prime is 330303221. The reversal of 330303220 is 22303033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 330303194 and 330303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330303221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28492 + ... + 38371.

It is an arithmetic number, because the mean of its divisors is an integer number (16381680).

Almost surely, 2330303220 is an apocalyptic number.

It is an amenable number.

330303220 is an abundant number, since it is smaller than the sum of its proper divisors (456017420).

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

330303220 is a wasteful number, since it uses less digits than its factorization.

330303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66904 (or 66902 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 330303220 is about 18174.2460641425. The cubic root of 330303220 is about 691.2539126052.

Adding to 330303220 its reverse (22303033), we get a palindrome (352606253).

The spelling of 330303220 in words is "three hundred thirty million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 66863 133726 267452 334315 668630 869219 1270397 1337260 1738438 2540794 3476876 4346095 5081588 6351985 8692190 12703970 16515161 17384380 25407940 33030322 66060644 82575805 165151610 330303220