Search a number
-
+
30303376 = 242965309
BaseRepresentation
bin111001110011…
…0010010010000
32010000120102021
41303212102100
530224202001
63001301224
7515401015
oct163462220
963016367
1030303376
1116118414
12a194814
1363800bc
14404b70c
1529d8ba1
hex1ce6490

30303376 has 20 divisors (see below), whose sum is σ = 60738300. Its totient is φ = 14628992.

The previous prime is 30303359. The next prime is 30303379. The reversal of 30303376 is 67330303.

It can be written as a sum of positive squares in 2 ways, for example, as 20939776 + 9363600 = 4576^2 + 3060^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30303376.

It is not an unprimeable number, because it can be changed into a prime (30303379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32191 + ... + 33118.

It is an arithmetic number, because the mean of its divisors is an integer number (3036915).

Almost surely, 230303376 is an apocalyptic number.

It is an amenable number.

30303376 is an abundant number, since it is smaller than the sum of its proper divisors (30434924).

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

30303376 is a wasteful number, since it uses less digits than its factorization.

30303376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65346 (or 65340 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 25.

The square root of 30303376 is about 5504.8502250288. The cubic root of 30303376 is about 311.7671394194.

Adding to 30303376 its reverse (67330303), we get a palindrome (97633679).

The spelling of 30303376 in words is "thirty million, three hundred three thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 29 58 116 232 464 65309 130618 261236 522472 1044944 1893961 3787922 7575844 15151688 30303376