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485980660 = 225112209003
BaseRepresentation
bin11100111101110…
…111100111110100
31020212110101010201
4130331313213310
51443402340120
6120120130244
715020524144
oct3475674764
91225411121
10485980660
1122a361510
12116906984
13798b6c29
1448786924
152c9e940a
hex1cf779f4

485980660 has 24 divisors (see below), whose sum is σ = 1113338016. Its totient is φ = 176720160.

The previous prime is 485980643. The next prime is 485980661. The reversal of 485980660 is 66089584.

It is a self number, because there is not a number n which added to its sum of digits gives 485980660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485980661) 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, 1104282 + ... + 1104721.

It is an arithmetic number, because the mean of its divisors is an integer number (46389084).

Almost surely, 2485980660 is an apocalyptic number.

It is an amenable number.

485980660 is an abundant number, since it is smaller than the sum of its proper divisors (627357356).

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

485980660 is a wasteful number, since it uses less digits than its factorization.

485980660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209023 (or 2209021 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 485980660 is about 22044.9690405770. The cubic root of 485980660 is about 786.2119890835.

The spelling of 485980660 in words is "four hundred eighty-five million, nine hundred eighty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2209003 4418006 8836012 11045015 22090030 24299033 44180060 48598066 97196132 121495165 242990330 485980660