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488679081 = 31114808457
BaseRepresentation
bin11101001000001…
…010011010101001
31021001112110200020
4131020022122221
52000100212311
6120254031053
715052463232
oct3510123251
91231473606
10488679081
11230934910
121177a8489
137a320227
1448c8a089
152cd7dc06
hex1d20a6a9

488679081 has 8 divisors (see below), whose sum is σ = 710805984. Its totient is φ = 296169120.

The previous prime is 488679077. The next prime is 488679097. The reversal of 488679081 is 180976884.

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

It is not a de Polignac number, because 488679081 - 22 = 488679077 is a prime.

It is a super-2 number, since 2×4886790812 = 477614488414009122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (488679001) 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, 7404196 + ... + 7404261.

It is an arithmetic number, because the mean of its divisors is an integer number (88850748).

Almost surely, 2488679081 is an apocalyptic number.

It is an amenable number.

488679081 is a deficient number, since it is larger than the sum of its proper divisors (222126903).

488679081 is a wasteful number, since it uses less digits than its factorization.

488679081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14808471.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 488679081 is about 22106.0869671681. The cubic root of 488679081 is about 787.6644586736.

The spelling of 488679081 in words is "four hundred eighty-eight million, six hundred seventy-nine thousand, eighty-one".

Divisors: 1 3 11 33 14808457 44425371 162893027 488679081