Search a number
-
+
30433330 = 253043333
BaseRepresentation
bin111010000011…
…0000000110010
32010021011200101
41310012000302
530242331310
63004143014
7516451624
oct164060062
963234611
1030433330
11161a7014
12a237a6a
1363c72b5
144082c14
152a1243a
hex1d06032

30433330 has 8 divisors (see below), whose sum is σ = 54780012. Its totient is φ = 12173328.

The previous prime is 30433313. The next prime is 30433331. The reversal of 30433330 is 3333403.

It can be written as a sum of positive squares in 2 ways, for example, as 29778849 + 654481 = 5457^2 + 809^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30433298 and 30433307.

It is not an unprimeable number, because it can be changed into a prime (30433331) 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, 1521657 + ... + 1521676.

Almost surely, 230433330 is an apocalyptic number.

30433330 is a deficient number, since it is larger than the sum of its proper divisors (24346682).

30433330 is a wasteful number, since it uses less digits than its factorization.

30433330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043340.

The product of its (nonzero) digits is 972, while the sum is 19.

The square root of 30433330 is about 5516.6411882594. The cubic root of 30433330 is about 312.2121680369.

Adding to 30433330 its reverse (3333403), we get a palindrome (33766733).

The spelling of 30433330 in words is "thirty million, four hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 3043333 6086666 15216665 30433330