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30240033 = 310080011
BaseRepresentation
bin111001101011…
…0110100100001
32002220100112020
41303112310201
530220140113
63000052053
7515015235
oct163266441
962810466
1030240033
111608486a
12a164029
13635a315
1440325c5
1529c5023
hex1cd6d21

30240033 has 4 divisors (see below), whose sum is σ = 40320048. Its totient is φ = 20160020.

The previous prime is 30240017. The next prime is 30240053. The reversal of 30240033 is 33004203.

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 30240033 - 24 = 30240017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30239994 and 30240021.

It is not an unprimeable number, because it can be changed into a prime (30240013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5040003 + ... + 5040008.

It is an arithmetic number, because the mean of its divisors is an integer number (10080012).

Almost surely, 230240033 is an apocalyptic number.

It is an amenable number.

30240033 is a deficient number, since it is larger than the sum of its proper divisors (10080015).

30240033 is a wasteful number, since it uses less digits than its factorization.

30240033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080014.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30240033 is about 5499.0938344422. The cubic root of 30240033 is about 311.5497594393.

Adding to 30240033 its reverse (33004203), we get a palindrome (63244236).

The spelling of 30240033 in words is "thirty million, two hundred forty thousand, thirty-three".

Divisors: 1 3 10080011 30240033