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486521 = 729929
BaseRepresentation
bin1110110110001111001
3220201101022
41312301321
5111032041
614232225
74064300
oct1666171
9821338
10486521
11302592
121b5675
131405a9
14c9437
159924b
hex76c79

486521 has 6 divisors (see below), whose sum is σ = 566010. Its totient is φ = 416976.

The previous prime is 486511. The next prime is 486527. The reversal of 486521 is 125684.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 132496 = 595^2 + 364^2 .

It is not a de Polignac number, because 486521 - 210 = 485497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4916 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (94335).

2486521 is an apocalyptic number.

It is an amenable number.

486521 is a deficient number, since it is larger than the sum of its proper divisors (79489).

486521 is an equidigital number, since it uses as much as digits as its factorization.

486521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943 (or 9936 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 486521 is about 697.5105733966. The cubic root of 486521 is about 78.6503265720.

The spelling of 486521 in words is "four hundred eighty-six thousand, five hundred twenty-one".

Divisors: 1 7 49 9929 69503 486521