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80506468 = 2273598009
BaseRepresentation
bin1001100110001…
…10111001100100
312121111011010001
410303012321210
5131102201333
611553311044
71665202510
oct463067144
9177434101
1080506468
1141497779
1222b65484
13138a9a83
14a999140
157103b7d
hex4cc6e64

80506468 has 24 divisors (see below), whose sum is σ = 161481600. Its totient is φ = 34402368.

The previous prime is 80506453. The next prime is 80506469. The reversal of 80506468 is 86460508.

It is not an unprimeable number, because it can be changed into a prime (80506469) 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, 6048 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (6728400).

Almost surely, 280506468 is an apocalyptic number.

It is an amenable number.

80506468 is an abundant number, since it is smaller than the sum of its proper divisors (80975132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80506468 is a wasteful number, since it uses less digits than its factorization.

80506468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8379 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 80506468 is about 8972.5396627711. The cubic root of 80506468 is about 431.7943193838.

The spelling of 80506468 in words is "eighty million, five hundred six thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 359 718 1436 2513 5026 8009 10052 16018 32036 56063 112126 224252 2875231 5750462 11500924 20126617 40253234 80506468