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3007828321 = 6149308661
BaseRepresentation
bin1011001101000111…
…1101000101100001
321202121202111202221
42303101331011201
522130001001241
61214244111041
7134352055531
oct26321750541
97677674687
103007828321
111303927a33
126bb395481
1338c1c5794
142076834c1
151290dd5d1
hexb347d161

3007828321 has 4 divisors (see below), whose sum is σ = 3057137044. Its totient is φ = 2958519600.

The previous prime is 3007828301. The next prime is 3007828339. The reversal of 3007828321 is 1238287003.

3007828321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 504227025 + 2503601296 = 22455^2 + 50036^2 .

It is a cyclic number.

It is not a de Polignac number, because 3007828321 - 223 = 2999439713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3007828301) 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, 24654270 + ... + 24654391.

It is an arithmetic number, because the mean of its divisors is an integer number (764284261).

Almost surely, 23007828321 is an apocalyptic number.

It is an amenable number.

3007828321 is a deficient number, since it is larger than the sum of its proper divisors (49308723).

3007828321 is an equidigital number, since it uses as much as digits as its factorization.

3007828321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49308722.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3007828321 is about 54843.6716586335. The cubic root of 3007828321 is about 1443.5029687824.

The spelling of 3007828321 in words is "three billion, seven million, eight hundred twenty-eight thousand, three hundred twenty-one".

Divisors: 1 61 49308661 3007828321