Search a number
-
+
75485441 is a prime number
BaseRepresentation
bin1000111111111…
…01000100000001
312021001001120002
410133331010001
5123311013231
611253525345
71604421113
oct437750401
9167031502
1075485441
1139678369
1221343855
131283c555
14a04d3b3
1569610cb
hex47fd101

75485441 has 2 divisors, whose sum is σ = 75485442. Its totient is φ = 75485440.

The previous prime is 75485437. The next prime is 75485519. The reversal of 75485441 is 14458457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 22137025 = 7304^2 + 4705^2 .

It is a cyclic number.

It is not a de Polignac number, because 75485441 - 22 = 75485437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75485395 and 75485404.

It is not a weakly prime, because it can be changed into another prime (75485411) 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, 37742720 + 37742721.

It is an arithmetic number, because the mean of its divisors is an integer number (37742721).

Almost surely, 275485441 is an apocalyptic number.

It is an amenable number.

75485441 is a deficient number, since it is larger than the sum of its proper divisors (1).

75485441 is an equidigital number, since it uses as much as digits as its factorization.

75485441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 38.

The square root of 75485441 is about 8688.2357817914. The cubic root of 75485441 is about 422.6242361910.

The spelling of 75485441 in words is "seventy-five million, four hundred eighty-five thousand, four hundred forty-one".