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488538 = 23383109
BaseRepresentation
bin1110111010001011010
3220211011000
41313101122
5111113123
614245430
74103211
oct1672132
9824130
10488538
11304056
121b6876
1314149b
14ca078
1599b43
hex7745a

488538 has 32 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 159408.

The previous prime is 488513. The next prime is 488539. The reversal of 488538 is 835884.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (488539) 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, 4428 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2488538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554400).

488538 is an abundant number, since it is smaller than the sum of its proper divisors (620262).

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

488538 is a wasteful number, since it uses less digits than its factorization.

488538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 488538 is about 698.9549341696. The cubic root of 488538 is about 78.7588652151.

The spelling of 488538 in words is "four hundred eighty-eight thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 83 109 166 218 249 327 498 654 747 981 1494 1962 2241 2943 4482 5886 9047 18094 27141 54282 81423 162846 244269 488538