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486138 = 2381023
BaseRepresentation
bin1110110101011111010
3220200212010
41312223322
5111024023
614230350
74063212
oct1665372
9820763
10486138
11302274
121b53b6
13140373
14c9242
1599093
hex76afa

486138 has 8 divisors (see below), whose sum is σ = 972288. Its totient is φ = 162044.

The previous prime is 486133. The next prime is 486139. The reversal of 486138 is 831684.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

486138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (486133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40506 + ... + 40517.

It is an arithmetic number, because the mean of its divisors is an integer number (121536).

2486138 is an apocalyptic number.

486138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

486138 is a wasteful number, since it uses less digits than its factorization.

486138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81028.

The product of its digits is 4608, while the sum is 30.

The square root of 486138 is about 697.2359715333. The cubic root of 486138 is about 78.6296827334.

The spelling of 486138 in words is "four hundred eighty-six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 81023 162046 243069 486138