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486020 = 225191279
BaseRepresentation
bin1110110101010000100
3220200200202
41312222010
5111023040
614230032
74062653
oct1665204
9820622
10486020
11302177
121b5318
131402b2
14c919a
1599015
hex76a84

486020 has 24 divisors (see below), whose sum is σ = 1075200. Its totient is φ = 184032.

The previous prime is 485993. The next prime is 486023. The reversal of 486020 is 20684.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 485983 and 486001.

It is not an unprimeable number, because it can be changed into a prime (486023) by changing a digit.

486020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (44800).

2486020 is an apocalyptic number.

It is an amenable number.

486020 is an abundant number, since it is smaller than the sum of its proper divisors (589180).

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

486020 is a wasteful number, since it uses less digits than its factorization.

486020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 486020 is about 697.1513465525. The cubic root of 486020 is about 78.6233203059.

The spelling of 486020 in words is "four hundred eighty-six thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1279 2558 5116 6395 12790 24301 25580 48602 97204 121505 243010 486020