Search a number
-
+
474389 is a prime number
BaseRepresentation
bin1110011110100010101
3220002201222
41303310111
5110140024
614100125
74014026
oct1636425
9802658
10474389
112a4463
121aa645
13137c06
14c4c4d
159585e
hex73d15

474389 has 2 divisors, whose sum is σ = 474390. Its totient is φ = 474388.

The previous prime is 474379. The next prime is 474391. The reversal of 474389 is 983474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293764 + 180625 = 542^2 + 425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-474389 is a prime.

Together with 474391, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474319) 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, 237194 + 237195.

It is an arithmetic number, because the mean of its divisors is an integer number (237195).

2474389 is an apocalyptic number.

It is an amenable number.

474389 is a deficient number, since it is larger than the sum of its proper divisors (1).

474389 is an equidigital number, since it uses as much as digits as its factorization.

474389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 474389 is about 688.7590289789. The cubic root of 474389 is about 77.9910684492.

The spelling of 474389 in words is "four hundred seventy-four thousand, three hundred eighty-nine".