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80004808 = 2313821937
BaseRepresentation
bin1001100010011…
…00011011001000
312120112122222001
410301030123020
5130440123213
611534440344
71661013112
oct461143310
9176478861
1080004808
1141184884
12229630b4
1313762630
14a8a83b2
1570551dd
hex4c4c6c8

80004808 has 32 divisors (see below), whose sum is σ = 161917560. Its totient is φ = 36840960.

The previous prime is 80004803. The next prime is 80004809. The reversal of 80004808 is 80840008.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24621444 + 55383364 = 4962^2 + 7442^2 .

It is not an unprimeable number, because it can be changed into a prime (80004803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84916 + ... + 85852.

Almost surely, 280004808 is an apocalyptic number.

It is an amenable number.

80004808 is an abundant number, since it is smaller than the sum of its proper divisors (81912752).

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

80004808 is a wasteful number, since it uses less digits than its factorization.

80004808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 80004808 is about 8944.5406813318. The cubic root of 80004808 is about 430.8955699351.

The spelling of 80004808 in words is "eighty million, four thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 821 937 1642 1874 3284 3748 6568 7496 10673 12181 21346 24362 42692 48724 85384 97448 769277 1538554 3077108 6154216 10000601 20001202 40002404 80004808