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3000034721 = 9730928193
BaseRepresentation
bin1011001011010000…
…1110010110100001
321202002002112222002
42302310032112201
522121002102341
61213405053345
7134225605625
oct26264162641
97662075862
103000034721
1112aa494542
126b8857255
1338a6c7298
14206615185
1512859e29b
hexb2d0e5a1

3000034721 has 4 divisors (see below), whose sum is σ = 3030963012. Its totient is φ = 2969106432.

The previous prime is 3000034699. The next prime is 3000034733. The reversal of 3000034721 is 1274300003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 824838400 + 2175196321 = 28720^2 + 46639^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000034721 - 210 = 3000033697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3000034693 and 3000034702.

It is not an unprimeable number, because it can be changed into a prime (3000034771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15464000 + ... + 15464193.

It is an arithmetic number, because the mean of its divisors is an integer number (757740753).

Almost surely, 23000034721 is an apocalyptic number.

It is an amenable number.

3000034721 is a deficient number, since it is larger than the sum of its proper divisors (30928291).

3000034721 is an equidigital number, since it uses as much as digits as its factorization.

3000034721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30928290.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3000034721 is about 54772.5727075148. The cubic root of 3000034721 is about 1442.2551343245.

Adding to 3000034721 its reverse (1274300003), we get a palindrome (4274334724).

The spelling of 3000034721 in words is "three billion, thirty-four thousand, seven hundred twenty-one".

Divisors: 1 97 30928193 3000034721