Search a number
-
+
30341005 = 5171918787
BaseRepresentation
bin111001110111…
…1011110001101
32010002111000221
41303233132031
530231403010
63002151341
7515615512
oct163573615
963074027
1030341005
1116143712
12a1b2551
136394276
14405b309
1529e4dda
hex1cef78d

30341005 has 16 divisors (see below), whose sum is σ = 40582080. Its totient is φ = 21641472.

The previous prime is 30340987. The next prime is 30341009. The reversal of 30341005 is 50014303.

It is a cyclic number.

It is not a de Polignac number, because 30341005 - 29 = 30340493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30341005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30341009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7779 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (2536380).

Almost surely, 230341005 is an apocalyptic number.

It is an amenable number.

30341005 is a deficient number, since it is larger than the sum of its proper divisors (10241075).

30341005 is a wasteful number, since it uses less digits than its factorization.

30341005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30341005 is about 5508.2669688387. The cubic root of 30341005 is about 311.8961309131.

Adding to 30341005 its reverse (50014303), we get a palindrome (80355308).

The spelling of 30341005 in words is "thirty million, three hundred forty-one thousand, five".

Divisors: 1 5 17 19 85 95 323 1615 18787 93935 319379 356953 1596895 1784765 6068201 30341005