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3030402221 = 71147837359
BaseRepresentation
bin1011010010100000…
…0100010010101101
321211012020101100022
42310220010102231
522201240332341
61220412011525
7135044664620
oct26450042255
97735211308
103030402221
111315646050
12706a60ba5
13393a9a612
1420a67bdb7
1512b09be4b
hexb4a044ad

3030402221 has 16 divisors (see below), whose sum is σ = 3858554880. Its totient is φ = 2311108080.

The previous prime is 3030402217. The next prime is 3030402229. The reversal of 3030402221 is 1222040303.

It is a cyclic number.

It is not a de Polignac number, because 3030402221 - 22 = 3030402217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3030402221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030402229) 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, 415061 + ... + 422298.

It is an arithmetic number, because the mean of its divisors is an integer number (241159680).

Almost surely, 23030402221 is an apocalyptic number.

It is an amenable number.

3030402221 is a deficient number, since it is larger than the sum of its proper divisors (828152659).

3030402221 is a wasteful number, since it uses less digits than its factorization.

3030402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837424.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3030402221 is about 55049.0891931919. The cubic root of 3030402221 is about 1447.1051592248.

Adding to 3030402221 its reverse (1222040303), we get a palindrome (4252442524).

The spelling of 3030402221 in words is "three billion, thirty million, four hundred two thousand, two hundred twenty-one".

Divisors: 1 7 11 47 77 329 517 3619 837359 5861513 9210949 39355873 64476643 275491111 432914603 3030402221