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488985 = 3574657
BaseRepresentation
bin1110111011000011001
3220211202120
41313120121
5111121420
614251453
74104420
oct1673031
9824676
10488985
11304422
121b6b89
13141753
14ca2b7
1599d40
hex77619

488985 has 16 divisors (see below), whose sum is σ = 894336. Its totient is φ = 223488.

The previous prime is 488981. The next prime is 488993. The reversal of 488985 is 589884.

It is not a de Polignac number, because 488985 - 22 = 488981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (488981) 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 15 ways as a sum of consecutive naturals, for example, 2224 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (55896).

2488985 is an apocalyptic number.

It is an amenable number.

488985 is a deficient number, since it is larger than the sum of its proper divisors (405351).

488985 is a wasteful number, since it uses less digits than its factorization.

488985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its digits is 92160, while the sum is 42.

The square root of 488985 is about 699.2746241642. The cubic root of 488985 is about 78.7828786872.

The spelling of 488985 in words is "four hundred eighty-eight thousand, nine hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 4657 13971 23285 32599 69855 97797 162995 488985