Search a number
-
+
4528813 is a prime number
BaseRepresentation
bin10001010001101010101101
322112002100211
4101101222231
52124410223
6241022421
753331352
oct21215255
98462324
104528813
112613623
121624a11
13c27493
1485c629
155e6d0d
hex451aad

4528813 has 2 divisors, whose sum is σ = 4528814. Its totient is φ = 4528812.

The previous prime is 4528787. The next prime is 4528829. The reversal of 4528813 is 3188254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3948169 + 580644 = 1987^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 4528813 - 29 = 4528301 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4528313) 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, 2264406 + 2264407.

It is an arithmetic number, because the mean of its divisors is an integer number (2264407).

Almost surely, 24528813 is an apocalyptic number.

It is an amenable number.

4528813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4528813 is an equidigital number, since it uses as much as digits as its factorization.

4528813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 4528813 is about 2128.1007964850. The cubic root of 4528813 is about 165.4479776131.

The spelling of 4528813 in words is "four million, five hundred twenty-eight thousand, eight hundred thirteen".