Search a number
-
+
30964912 = 2411175937
BaseRepresentation
bin111011000011…
…1110010110000
32011021011212121
41312013302300
530411334122
63023404024
7524124466
oct166076260
964234777
1030964912
111652a440
12a453614
136552244
144180836
152ab9bc7
hex1d87cb0

30964912 has 20 divisors (see below), whose sum is σ = 65448936. Its totient is φ = 14074880.

The previous prime is 30964897. The next prime is 30964931. The reversal of 30964912 is 21946903.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 87793 + ... + 88144.

Almost surely, 230964912 is an apocalyptic number.

It is an amenable number.

30964912 is an abundant number, since it is smaller than the sum of its proper divisors (34484024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30964912 is a wasteful number, since it uses less digits than its factorization.

30964912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175956 (or 175950 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 30964912 is about 5564.6124752762. The cubic root of 30964912 is about 314.0194992421.

Subtracting from 30964912 its reverse (21946903), we obtain a square (9018009 = 30032).

It can be divided in two parts, 3096 and 4912, that added together give a palindrome (8008).

The spelling of 30964912 in words is "thirty million, nine hundred sixty-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 175937 351874 703748 1407496 1935307 2814992 3870614 7741228 15482456 30964912