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3032020221 = 314944915107
BaseRepresentation
bin1011010010111000…
…1111010011111101
321211022021120211020
42310232033103331
522202144121341
61220510414353
7135064514046
oct26456172375
97738246736
103032020221
11131655073a
127075013b9
13394215c09
1420a97d8cd
1512b2bb566
hexb4b8f4fd

3032020221 has 16 divisors (see below), whose sum is σ = 4079160000. Its totient is φ = 2003176448.

The previous prime is 3032020183. The next prime is 3032020231. The reversal of 3032020221 is 1220202303.

It is a cyclic number.

It is not a de Polignac number, because 3032020221 - 29 = 3032019709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3032020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3032020231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193150 + ... + 208256.

It is an arithmetic number, because the mean of its divisors is an integer number (254947500).

Almost surely, 23032020221 is an apocalyptic number.

It is an amenable number.

3032020221 is a deficient number, since it is larger than the sum of its proper divisors (1047139779).

3032020221 is a wasteful number, since it uses less digits than its factorization.

3032020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15708.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3032020221 is about 55063.7832063871. The cubic root of 3032020221 is about 1447.3626607476.

Adding to 3032020221 its reverse (1220202303), we get a palindrome (4252222524).

The spelling of 3032020221 in words is "three billion, thirty-two million, twenty thousand, two hundred twenty-one".

Divisors: 1 3 149 447 449 1347 15107 45321 66901 200703 2250943 6752829 6783043 20349129 1010673407 3032020221