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80345504 = 256413917
BaseRepresentation
bin1001100100111…
…11100110100000
312121011222022102
410302133212200
5131032024004
611550025532
71663632311
oct462374640
9177158272
1080345504
1141397848
1222aa82a8
1313851725
14a956608
1570c111e
hex4c9f9a0

80345504 has 24 divisors (see below), whose sum is σ = 158467428. Its totient is φ = 40099840.

The previous prime is 80345497. The next prime is 80345539. The reversal of 80345504 is 40554308.

It can be written as a sum of positive squares in 2 ways, for example, as 68095504 + 12250000 = 8252^2 + 3500^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18554 + ... + 22470.

Almost surely, 280345504 is an apocalyptic number.

It is an amenable number.

80345504 is a deficient number, since it is larger than the sum of its proper divisors (78121924).

80345504 is a wasteful number, since it uses less digits than its factorization.

80345504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 80345504 is about 8963.5653620644. The cubic root of 80345504 is about 431.5063519879.

The spelling of 80345504 in words is "eighty million, three hundred forty-five thousand, five hundred four".

Divisors: 1 2 4 8 16 32 641 1282 2564 3917 5128 7834 10256 15668 20512 31336 62672 125344 2510797 5021594 10043188 20086376 40172752 80345504