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80448793 = 199743651
BaseRepresentation
bin1001100101110…
…00110100011001
312121101012222221
410302320310121
5131043330133
611552144041
71664542405
oct462706431
9177335887
1080448793
1141458407
1222b38021
1313889749
14a982105
1570e1a2d
hex4cb8d19

80448793 has 8 divisors (see below), whose sum is σ = 85557920. Its totient is φ = 75427200.

The previous prime is 80448787. The next prime is 80448817. The reversal of 80448793 is 39784408.

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

It is not a de Polignac number, because 80448793 - 221 = 78351641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80448703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19983 + ... + 23668.

It is an arithmetic number, because the mean of its divisors is an integer number (10694740).

Almost surely, 280448793 is an apocalyptic number.

It is an amenable number.

80448793 is a deficient number, since it is larger than the sum of its proper divisors (5109127).

80448793 is a wasteful number, since it uses less digits than its factorization.

80448793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43767.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 80448793 is about 8969.3251139648. The cubic root of 80448793 is about 431.6911819698.

The spelling of 80448793 in words is "eighty million, four hundred forty-eight thousand, seven hundred ninety-three".

Divisors: 1 19 97 1843 43651 829369 4234147 80448793