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489700 = 22525983
BaseRepresentation
bin1110111100011100100
3220212202001
41313203210
5111132300
614255044
74106461
oct1674344
9825661
10489700
11304a12
121b7484
13141b83
14ca668
159a16a
hex778e4

489700 has 36 divisors (see below), whose sum is σ = 1093680. Its totient is φ = 190240.

The previous prime is 489691. The next prime is 489733. The reversal of 489700 is 7984.

It is an unprimeable number.

489700 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 5859 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (30380).

2489700 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 489700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546840).

489700 is an abundant number, since it is smaller than the sum of its proper divisors (603980).

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

489700 is a wasteful number, since it uses less digits than its factorization.

489700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 489700 is about 699.7856814768. The cubic root of 489700 is about 78.8212590910.

The spelling of 489700 in words is "four hundred eighty-nine thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 59 83 100 118 166 236 295 332 415 590 830 1180 1475 1660 2075 2950 4150 4897 5900 8300 9794 19588 24485 48970 97940 122425 244850 489700