Search a number
-
+
30605316 = 2237364349
BaseRepresentation
bin111010011000…
…0000000000100
32010120220121020
41310300000010
530313332231
63011551140
7521066220
oct164600004
963526536
1030605316
1116304255
12a2bb4b0
136457671
1440c9780
152a48396
hex1d30004

30605316 has 24 divisors (see below), whose sum is σ = 81614400. Its totient is φ = 8744352.

The previous prime is 30605303. The next prime is 30605357. The reversal of 30605316 is 61350603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182091 + ... + 182258.

It is an arithmetic number, because the mean of its divisors is an integer number (3400600).

Almost surely, 230605316 is an apocalyptic number.

It is an amenable number.

30605316 is an abundant number, since it is smaller than the sum of its proper divisors (51009084).

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

30605316 is a wasteful number, since it uses less digits than its factorization.

30605316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364363 (or 364361 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 30605316 is about 5532.2071544728. The cubic root of 30605316 is about 312.7991920711.

Adding to 30605316 its reverse (61350603), we get a palindrome (91955919).

The spelling of 30605316 in words is "thirty million, six hundred five thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 364349 728698 1093047 1457396 2186094 2550443 4372188 5100886 7651329 10201772 15302658 30605316