Search a number
-
+
552128741 is a prime number
BaseRepresentation
bin100000111010001…
…101000011100101
31102110221001020122
4200322031003211
52112321104431
6130442011325
716453005533
oct4072150345
91373831218
10552128741
1126373154a
12134aa6b45
138a5073c8
1453485153
1533713a7b
hex20e8d0e5

552128741 has 2 divisors, whose sum is σ = 552128742. Its totient is φ = 552128740.

The previous prime is 552128659. The next prime is 552128743. The reversal of 552128741 is 147821255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478340641 + 73788100 = 21871^2 + 8590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-552128741 is a prime.

It is a super-2 number, since 2×5521287412 = 609692293276490162, which contains 22 as substring.

Together with 552128743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552128743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276064370 + 276064371.

It is an arithmetic number, because the mean of its divisors is an integer number (276064371).

Almost surely, 2552128741 is an apocalyptic number.

It is an amenable number.

552128741 is a deficient number, since it is larger than the sum of its proper divisors (1).

552128741 is an equidigital number, since it uses as much as digits as its factorization.

552128741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 35.

The square root of 552128741 is about 23497.4198796378. The cubic root of 552128741 is about 820.3769538938.

Adding to 552128741 its reverse (147821255), we get a palindrome (699949996).

The spelling of 552128741 in words is "five hundred fifty-two million, one hundred twenty-eight thousand, seven hundred forty-one".