Search a number
-
+
482721 = 3160907
BaseRepresentation
bin1110101110110100001
3220112011120
41311312201
5110421341
614202453
74050231
oct1656641
9815146
10482721
112aa748
121b3429
1313b945
14c7cc1
1598066
hex75da1

482721 has 4 divisors (see below), whose sum is σ = 643632. Its totient is φ = 321812.

The previous prime is 482719. The next prime is 482731. The reversal of 482721 is 127284.

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 a cyclic number.

It is not a de Polignac number, because 482721 - 21 = 482719 is a prime.

It is a D-number.

It is a Curzon number.

482721 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 482691 and 482700.

It is not an unprimeable number, because it can be changed into a prime (482711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80451 + ... + 80456.

It is an arithmetic number, because the mean of its divisors is an integer number (160908).

2482721 is an apocalyptic number.

It is an amenable number.

482721 is a deficient number, since it is larger than the sum of its proper divisors (160911).

482721 is a wasteful number, since it uses less digits than its factorization.

482721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160910.

The product of its digits is 896, while the sum is 24.

The square root of 482721 is about 694.7812605418. The cubic root of 482721 is about 78.4450235108.

The spelling of 482721 in words is "four hundred eighty-two thousand, seven hundred twenty-one".

Divisors: 1 3 160907 482721