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489580 = 225713269
BaseRepresentation
bin1110111100001101100
3220212120121
41313201230
5111131310
614254324
74106230
oct1674154
9825517
10489580
11304913
121b73a4
13141ac0
14ca5c0
159a0da
hex7786c

489580 has 48 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 154368.

The previous prime is 489571. The next prime is 489613. The reversal of 489580 is 85984.

It is an unprimeable number.

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, 1686 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2489580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635040).

489580 is an abundant number, since it is smaller than the sum of its proper divisors (780500).

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

489580 is a wasteful number, since it uses less digits than its factorization.

489580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 489580 is about 699.6999356867. The cubic root of 489580 is about 78.8148202347.

The spelling of 489580 in words is "four hundred eighty-nine thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 269 364 455 538 910 1076 1345 1820 1883 2690 3497 3766 5380 6994 7532 9415 13988 17485 18830 24479 34970 37660 48958 69940 97916 122395 244790 489580