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487065660 = 22358117761
BaseRepresentation
bin11101000010000…
…000100000111100
31020221111111110220
4131002000200330
51444142100120
6120155301340
715032663334
oct3502004074
91227444426
10487065660
1122aa32704
1211714a850
1379ba6a43
144898a0c4
152cb60b40
hex1d08083c

487065660 has 24 divisors (see below), whose sum is σ = 1363784016. Its totient is φ = 129884160.

The previous prime is 487065647. The next prime is 487065661. The reversal of 487065660 is 66560784.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487065661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4058821 + ... + 4058940.

It is an arithmetic number, because the mean of its divisors is an integer number (56824334).

Almost surely, 2487065660 is an apocalyptic number.

It is an amenable number.

487065660 is an abundant number, since it is smaller than the sum of its proper divisors (876718356).

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

487065660 is a wasteful number, since it uses less digits than its factorization.

487065660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117773 (or 8117771 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 487065660 is about 22069.5641098777. The cubic root of 487065660 is about 786.7966529274.

The spelling of 487065660 in words is "four hundred eighty-seven million, sixty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 8117761 16235522 24353283 32471044 40588805 48706566 81177610 97413132 121766415 162355220 243532830 487065660