Search a number
-
+
30485333 is a prime number
BaseRepresentation
bin111010001001…
…0101101010101
32010100211000102
41310102231111
530301012313
63005223445
7520056344
oct164225525
963324012
1030485333
111623209a
12a261b85
136414b78
144097b5b
152a22a58
hex1d12b55

30485333 has 2 divisors, whose sum is σ = 30485334. Its totient is φ = 30485332.

The previous prime is 30485317. The next prime is 30485339. The reversal of 30485333 is 33358403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30217009 + 268324 = 5497^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 30485333 - 24 = 30485317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30485296 and 30485305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30485339) 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, 15242666 + 15242667.

It is an arithmetic number, because the mean of its divisors is an integer number (15242667).

Almost surely, 230485333 is an apocalyptic number.

It is an amenable number.

30485333 is a deficient number, since it is larger than the sum of its proper divisors (1).

30485333 is an equidigital number, since it uses as much as digits as its factorization.

30485333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 30485333 is about 5521.3524611276. The cubic root of 30485333 is about 312.3898978526.

The spelling of 30485333 in words is "thirty million, four hundred eighty-five thousand, three hundred thirty-three".