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30013033 is a prime number
BaseRepresentation
bin111001001111…
…1011001101001
32002110211010211
41302133121221
530140404113
62551141121
7513051361
oct162373151
962424124
1030013033
1115a3a266
12a0747a1
1362aabbb
143db39a1
15297cb3d
hex1c9f669

30013033 has 2 divisors, whose sum is σ = 30013034. Its totient is φ = 30013032.

The previous prime is 30013003. The next prime is 30013051. The reversal of 30013033 is 33031003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 8779369 = 4608^2 + 2963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30013033 is a prime.

It is not a weakly prime, because it can be changed into another prime (30013003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006516 + 15006517.

It is an arithmetic number, because the mean of its divisors is an integer number (15006517).

Almost surely, 230013033 is an apocalyptic number.

It is an amenable number.

30013033 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013033 is an equidigital number, since it uses as much as digits as its factorization.

30013033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 13.

The square root of 30013033 is about 5478.4151905455. The cubic root of 30013033 is about 310.7682402602.

Adding to 30013033 its reverse (33031003), we get a palindrome (63044036).

The spelling of 30013033 in words is "thirty million, thirteen thousand, thirty-three".