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486021 = 3162007
BaseRepresentation
bin1110110101010000101
3220200200210
41312222011
5111023041
614230033
74062654
oct1665205
9820623
10486021
11302178
121b5319
131402b3
14c919b
1599016
hex76a85

486021 has 4 divisors (see below), whose sum is σ = 648032. Its totient is φ = 324012.

The previous prime is 485993. The next prime is 486023. The reversal of 486021 is 120684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 486021 - 27 = 485893 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486023) 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, 81001 + ... + 81006.

It is an arithmetic number, because the mean of its divisors is an integer number (162008).

2486021 is an apocalyptic number.

It is an amenable number.

486021 is a deficient number, since it is larger than the sum of its proper divisors (162011).

486021 is a wasteful number, since it uses less digits than its factorization.

486021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162010.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 486021 is about 697.1520637565. The cubic root of 486021 is about 78.6233742291.

The spelling of 486021 in words is "four hundred eighty-six thousand, twenty-one".

Divisors: 1 3 162007 486021