Search a number
-
+
5312454242 = 22656227121
BaseRepresentation
bin1001111001010010…
…11001111001100010
3111201020022122012112
410330221121321202
541334442013432
62235052155322
7245435054534
oct47451317142
914636278175
105312454242
112286818557
121043168b42
136687ca364
14385797854
152115c57b2
hex13ca59e62

5312454242 has 4 divisors (see below), whose sum is σ = 7968681366. Its totient is φ = 2656227120.

The previous prime is 5312454239. The next prime is 5312454263. The reversal of 5312454242 is 2424542135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2424542135 = 5484908427.

It can be written as a sum of positive squares in only one way, i.e., 4951796161 + 360658081 = 70369^2 + 18991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5312454199 and 5312454208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328113559 + ... + 1328113562.

Almost surely, 25312454242 is an apocalyptic number.

5312454242 is a deficient number, since it is larger than the sum of its proper divisors (2656227124).

5312454242 is a wasteful number, since it uses less digits than its factorization.

5312454242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656227123.

The product of its digits is 38400, while the sum is 32.

The square root of 5312454242 is about 72886.5847876000. The cubic root of 5312454242 is about 1744.8780019963.

Adding to 5312454242 its reverse (2424542135), we get a palindrome (7736996377).

The spelling of 5312454242 in words is "five billion, three hundred twelve million, four hundred fifty-four thousand, two hundred forty-two".

Divisors: 1 2 2656227121 5312454242