Search a number
-
+
30065513 = 671632753
BaseRepresentation
bin111001010110…
…0001101101001
32002120111010112
41302230031221
530144044023
62552224105
7513360362
oct162541551
962514115
1030065513
1115a75735
12a09b035
1362c8a5a
143dc8b69
15298d478
hex1cac369

30065513 has 8 divisors (see below), whose sum is σ = 30712608. Its totient is φ = 29424384.

The previous prime is 30065509. The next prime is 30065521. The reversal of 30065513 is 31556003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30065513 - 22 = 30065509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30265513) 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 in 7 ways as a sum of consecutive naturals, for example, 9545 + ... + 12297.

It is an arithmetic number, because the mean of its divisors is an integer number (3839076).

Almost surely, 230065513 is an apocalyptic number.

It is an amenable number.

30065513 is a deficient number, since it is larger than the sum of its proper divisors (647095).

30065513 is a wasteful number, since it uses less digits than its factorization.

30065513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 30065513 is about 5483.2028049307. The cubic root of 30065513 is about 310.9492685107.

The spelling of 30065513 in words is "thirty million, sixty-five thousand, five hundred thirteen".

Divisors: 1 67 163 2753 10921 184451 448739 30065513