Search a number
-
+
30052433 = 191581707
BaseRepresentation
bin111001010100…
…1000001010001
32002112211012002
41302221001101
530143134213
62552043345
7513304265
oct162510121
962484162
1030052433
1115a66924
12a093555
1362c2b08
143dc40a5
152989658
hex1ca9051

30052433 has 4 divisors (see below), whose sum is σ = 31634160. Its totient is φ = 28470708.

The previous prime is 30052427. The next prime is 30052441. The reversal of 30052433 is 33425003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30052433 - 26 = 30052369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30052453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790835 + ... + 790872.

It is an arithmetic number, because the mean of its divisors is an integer number (7908540).

Almost surely, 230052433 is an apocalyptic number.

It is an amenable number.

30052433 is a deficient number, since it is larger than the sum of its proper divisors (1581727).

30052433 is a wasteful number, since it uses less digits than its factorization.

30052433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581726.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30052433 is about 5482.0099416181. The cubic root of 30052433 is about 310.9041691485.

Adding to 30052433 its reverse (33425003), we get a palindrome (63477436).

The spelling of 30052433 in words is "thirty million, fifty-two thousand, four hundred thirty-three".

Divisors: 1 19 1581707 30052433