Search a number
-
+
29245481 is a prime number
BaseRepresentation
bin110111110010…
…0000000101001
32001000211020222
41233210000221
524441323411
62522455425
7503403536
oct157440051
961024228
1029245481
1115565621
129964575
13609c725
143c53d8d
15287a4db
hex1be4029

29245481 has 2 divisors, whose sum is σ = 29245482. Its totient is φ = 29245480.

The previous prime is 29245451. The next prime is 29245487. The reversal of 29245481 is 18454292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26214400 + 3031081 = 5120^2 + 1741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29245481 is a prime.

It is a super-2 number, since 2×292454812 = 1710596317842722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29245487) 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, 14622740 + 14622741.

It is an arithmetic number, because the mean of its divisors is an integer number (14622741).

Almost surely, 229245481 is an apocalyptic number.

It is an amenable number.

29245481 is a deficient number, since it is larger than the sum of its proper divisors (1).

29245481 is an equidigital number, since it uses as much as digits as its factorization.

29245481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 29245481 is about 5407.9091153606. The cubic root of 29245481 is about 308.0961392408.

The spelling of 29245481 in words is "twenty-nine million, two hundred forty-five thousand, four hundred eighty-one".