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3028638005 = 56029100469
BaseRepresentation
bin1011010010000101…
…0101100100110101
321211001220202021222
42310201111210311
522200312404010
61220310120125
7135023666261
oct26441254465
97731822258
103028638005
111314650618
12706350045
133936005c3
1420a33d0a1
1512ad4e355
hexb4855935

3028638005 has 8 divisors (see below), whose sum is σ = 3635004600. Its totient is φ = 2422484416.

The previous prime is 3028638001. The next prime is 3028638013. The reversal of 3028638005 is 5008368203.

It can be written as a sum of positive squares in 4 ways, for example, as 1617809284 + 1410828721 = 40222^2 + 37561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3028638005 - 22 = 3028638001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028638001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20090 + ... + 80379.

It is an arithmetic number, because the mean of its divisors is an integer number (454375575).

Almost surely, 23028638005 is an apocalyptic number.

It is an amenable number.

3028638005 is a deficient number, since it is larger than the sum of its proper divisors (606366595).

3028638005 is a wasteful number, since it uses less digits than its factorization.

3028638005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106503.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 3028638005 is about 55033.0628349904. The cubic root of 3028638005 is about 1446.8242832355.

The spelling of 3028638005 in words is "three billion, twenty-eight million, six hundred thirty-eight thousand, five".

Divisors: 1 5 6029 30145 100469 502345 605727601 3028638005