Search a number
-
+
452131243 = 769587947
BaseRepresentation
bin11010111100101…
…111100110101011
31011111202122110121
4122330233212223
51411221144433
6112510424111
714130023614
oct3274574653
91144678417
10452131243
11212241993
12107502037
1372894aa5
1444094c0b
1529a5ec2d
hex1af2f9ab

452131243 has 4 divisors (see below), whose sum is σ = 452719960. Its totient is φ = 451542528.

The previous prime is 452131241. The next prime is 452131301. The reversal of 452131243 is 342131254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 452131243 - 21 = 452131241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452131241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293205 + ... + 294742.

It is an arithmetic number, because the mean of its divisors is an integer number (113179990).

Almost surely, 2452131243 is an apocalyptic number.

452131243 is a deficient number, since it is larger than the sum of its proper divisors (588717).

452131243 is an equidigital number, since it uses as much as digits as its factorization.

452131243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588716.

The product of its digits is 2880, while the sum is 25.

The square root of 452131243 is about 21263.3779771700. The cubic root of 452131243 is about 767.5172991040.

Adding to 452131243 its reverse (342131254), we get a palindrome (794262497).

The spelling of 452131243 in words is "four hundred fifty-two million, one hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 769 587947 452131243