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8004445549 = 8396439103
BaseRepresentation
bin1110111010001101…
…00010010101101101
3202122211202222001021
413131012202111231
5112343114224144
63402135014141
7402233443642
oct73506422555
922584688037
108004445549
113438334461
12167480a351
139a743b719
1455d103dc9
1531cac7884
hex1dd1a256d

8004445549 has 4 divisors (see below), whose sum is σ = 8100884736. Its totient is φ = 7908006364.

The previous prime is 8004445531. The next prime is 8004445573. The reversal of 8004445549 is 9455444008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8004445549 - 211 = 8004443501 is a prime.

It is a super-2 number, since 2×80044455492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8004445049) 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, 48219469 + ... + 48219634.

It is an arithmetic number, because the mean of its divisors is an integer number (2025221184).

Almost surely, 28004445549 is an apocalyptic number.

It is an amenable number.

8004445549 is a deficient number, since it is larger than the sum of its proper divisors (96439187).

8004445549 is an equidigital number, since it uses as much as digits as its factorization.

8004445549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96439186.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 8004445549 is about 89467.5670229162. The cubic root of 8004445549 is about 2000.3703938166.

The spelling of 8004445549 in words is "eight billion, four million, four hundred forty-five thousand, five hundred forty-nine".

Divisors: 1 83 96439103 8004445549