Search a number
-
+
478441 is a prime number
BaseRepresentation
bin1110100110011101001
3220022022001
41310303221
5110302231
614131001
74031605
oct1646351
9808261
10478441
112a7507
121b0a61
13139a02
14c6505
1596b61
hex74ce9

478441 has 2 divisors, whose sum is σ = 478442. Its totient is φ = 478440.

The previous prime is 478433. The next prime is 478451. The reversal of 478441 is 144874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 9216 = 685^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 478441 - 23 = 478433 is a prime.

It is not a weakly prime, because it can be changed into another prime (478411) 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 as a sum of consecutive naturals, namely, 239220 + 239221.

It is an arithmetic number, because the mean of its divisors is an integer number (239221).

2478441 is an apocalyptic number.

It is an amenable number.

478441 is a deficient number, since it is larger than the sum of its proper divisors (1).

478441 is an equidigital number, since it uses as much as digits as its factorization.

478441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

The square root of 478441 is about 691.6942966369. The cubic root of 478441 is about 78.2124931255.

It can be divided in two parts, 478 and 441, that added together give a palindrome (919).

The spelling of 478441 in words is "four hundred seventy-eight thousand, four hundred forty-one".