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30033229 is a prime number
BaseRepresentation
bin111001010010…
…0010101001101
32002111211211211
41302210111031
530142030404
62551414421
7513164302
oct162442515
962454754
1030033229
1115a53456
12a084411
1362b7155
143dbb0a9
152983b04
hex1ca454d

30033229 has 2 divisors, whose sum is σ = 30033230. Its totient is φ = 30033228.

The previous prime is 30033151. The next prime is 30033247. The reversal of 30033229 is 92233003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18507204 + 11526025 = 4302^2 + 3395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30033229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30034229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016614 + 15016615.

It is an arithmetic number, because the mean of its divisors is an integer number (15016615).

Almost surely, 230033229 is an apocalyptic number.

It is an amenable number.

30033229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30033229 is an equidigital number, since it uses as much as digits as its factorization.

30033229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 30033229 is about 5480.2581143592. The cubic root of 30033229 is about 310.8379307412.

The spelling of 30033229 in words is "thirty million, thirty-three thousand, two hundred twenty-nine".