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3030141220 = 225569266269
BaseRepresentation
bin1011010010011100…
…0100100100100100
321211011202010022121
42310213010210210
522201204004340
61220402235324
7135042526651
oct26447044444
97734663277
103030141220
111315487a47
12706955b44
13393a08892
1420a610c28
1512b04994a
hexb49c4924

3030141220 has 24 divisors (see below), whose sum is σ = 6374503800. Its totient is φ = 1209921792.

The previous prime is 3030141211. The next prime is 3030141227. The reversal of 3030141220 is 221410303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33454656 + 2996686564 = 5784^2 + 54742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3030141194 and 3030141203.

It is not an unprimeable number, because it can be changed into a prime (3030141227) 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 7 ways as a sum of consecutive naturals, for example, 121755 + ... + 144514.

It is an arithmetic number, because the mean of its divisors is an integer number (265604325).

Almost surely, 23030141220 is an apocalyptic number.

It is an amenable number.

3030141220 is an abundant number, since it is smaller than the sum of its proper divisors (3344362580).

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

3030141220 is a wasteful number, since it uses less digits than its factorization.

3030141220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266847 (or 266845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3030141220 is about 55046.7185216340. The cubic root of 3030141220 is about 1447.0636128436.

Adding to 3030141220 its reverse (221410303), we get a palindrome (3251551523).

The spelling of 3030141220 in words is "three billion, thirty million, one hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 569 1138 2276 2845 5690 11380 266269 532538 1065076 1331345 2662690 5325380 151507061 303014122 606028244 757535305 1515070610 3030141220