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488876081 = 5311381629
BaseRepresentation
bin11101001000111…
…010100000110001
31021001220110220112
4131020322200301
52000123013311
6120302151105
715054243461
oct3510724061
91231813815
10488876081
11230a59921
12117882495
137a38bab5
1448cdbba1
152cdbc28b
hex1d23a831

488876081 has 8 divisors (see below), whose sum is σ = 502514280. Its totient is φ = 475401472.

The previous prime is 488876041. The next prime is 488876117. The reversal of 488876081 is 180678884.

It can be written as a sum of positive squares in 4 ways, for example, as 50183056 + 438693025 = 7084^2 + 20945^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 488876081 - 226 = 421767217 is a prime.

It is a super-2 number, since 2×4888760812 = 477999645147837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488876041) 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, 34826 + ... + 46803.

It is an arithmetic number, because the mean of its divisors is an integer number (62814285).

Almost surely, 2488876081 is an apocalyptic number.

It is an amenable number.

488876081 is a deficient number, since it is larger than the sum of its proper divisors (13638199).

488876081 is a wasteful number, since it uses less digits than its factorization.

488876081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81795.

The product of its (nonzero) digits is 688128, while the sum is 50.

The square root of 488876081 is about 22110.5423045207. The cubic root of 488876081 is about 787.7702875348.

The spelling of 488876081 in words is "four hundred eighty-eight million, eight hundred seventy-six thousand, eighty-one".

Divisors: 1 53 113 5989 81629 4326337 9224077 488876081