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485920 = 2553037
BaseRepresentation
bin1110110101000100000
3220200120001
41312220200
5111022140
614225344
74062451
oct1665040
9820501
10485920
11302096
121b5254
13140236
14c9128
1598e9a
hex76a20

485920 has 24 divisors (see below), whose sum is σ = 1148364. Its totient is φ = 194304.

The previous prime is 485909. The next prime is 485923. The reversal of 485920 is 29584.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 7056 = 692^2 + 84^2 .

It is a super-2 number, since 2×4859202 = 472236492800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (485923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359 + ... + 1678.

2485920 is an apocalyptic number.

485920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485920 is an abundant number, since it is smaller than the sum of its proper divisors (662444).

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

485920 is a wasteful number, since it uses less digits than its factorization.

485920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 485920 is about 697.0796224249. The cubic root of 485920 is about 78.6179276119.

The spelling of 485920 in words is "four hundred eighty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3037 6074 12148 15185 24296 30370 48592 60740 97184 121480 242960 485920