Search a number
-
+
5684297281 = 13437253637
BaseRepresentation
bin1010100101100111…
…10111111001000001
3112200011000012221221
411102303313321001
543120140003111
62340014115041
7260601505165
oct52263677101
915604005857
105684297281
112457701753
1211277aba81
136c7860820
143bcd0cca5
15234076371
hex152cf7e41

5684297281 has 4 divisors (see below), whose sum is σ = 6121550932. Its totient is φ = 5247043632.

The previous prime is 5684297273. The next prime is 5684297321. The reversal of 5684297281 is 1827924865.

5684297281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1150295056 + 4534002225 = 33916^2 + 67335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5684297281 - 23 = 5684297273 is a prime.

It is a super-2 number, since 2×56842972812 = 64622471157567985922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5684297231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218626806 + ... + 218626831.

It is an arithmetic number, because the mean of its divisors is an integer number (1530387733).

Almost surely, 25684297281 is an apocalyptic number.

It is an amenable number.

5684297281 is a deficient number, since it is larger than the sum of its proper divisors (437253651).

5684297281 is a wasteful number, since it uses less digits than its factorization.

5684297281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437253650.

The product of its digits is 1935360, while the sum is 52.

The square root of 5684297281 is about 75394.2788346702. The cubic root of 5684297281 is about 1784.6741271537.

The spelling of 5684297281 in words is "five billion, six hundred eighty-four million, two hundred ninety-seven thousand, two hundred eighty-one".

Divisors: 1 13 437253637 5684297281