Search a number
-
+
30334145 = 529209201
BaseRepresentation
bin111001110110…
…1110011000001
32010002010121212
41303231303001
530231143040
63002055505
7515556512
oct163556301
963063555
1030334145
1116139546
12a1aa595
1363910ca
144058a09
1529e2d65
hex1cedcc1

30334145 has 8 divisors (see below), whose sum is σ = 37656360. Its totient is φ = 23430400.

The previous prime is 30334133. The next prime is 30334153. The reversal of 30334145 is 54143303.

It can be written as a sum of positive squares in 4 ways, for example, as 1507984 + 28826161 = 1228^2 + 5369^2 .

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

It is not a de Polignac number, because 30334145 - 26 = 30334081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30334145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104456 + ... + 104745.

It is an arithmetic number, because the mean of its divisors is an integer number (4707045).

Almost surely, 230334145 is an apocalyptic number.

It is an amenable number.

30334145 is a deficient number, since it is larger than the sum of its proper divisors (7322215).

30334145 is a wasteful number, since it uses less digits than its factorization.

30334145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209235.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30334145 is about 5507.6442332453. The cubic root of 30334145 is about 311.8726229165.

Adding to 30334145 its reverse (54143303), we get a palindrome (84477448).

The spelling of 30334145 in words is "thirty million, three hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 29 145 209201 1046005 6066829 30334145