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487660 = 22537659
BaseRepresentation
bin1110111000011101100
3220202221111
41313003230
5111101120
614241404
74100515
oct1670354
9822844
10487660
11303428
121b6264
13140c74
14c9a0c
159975a
hex770ec

487660 has 24 divisors (see below), whose sum is σ = 1053360. Its totient is φ = 189504.

The previous prime is 487657. The next prime is 487681. The reversal of 487660 is 66784.

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 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2487660 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 487660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526680).

487660 is an abundant number, since it is smaller than the sum of its proper divisors (565700).

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

487660 is a wasteful number, since it uses less digits than its factorization.

487660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 487660 is about 698.3265711685. The cubic root of 487660 is about 78.7116551375.

The spelling of 487660 in words is "four hundred eighty-seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 659 740 1318 2636 3295 6590 13180 24383 48766 97532 121915 243830 487660