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30032039 is a prime number
BaseRepresentation
bin111001010010…
…0000010100111
32002111210012202
41302210002213
530142011124
62551405115
7513160652
oct162440247
962453182
1030032039
1115a52574
12a08379b
1362b674b
143dba899
1529835ae
hex1ca40a7

30032039 has 2 divisors, whose sum is σ = 30032040. Its totient is φ = 30032038.

The previous prime is 30032033. The next prime is 30032053. The reversal of 30032039 is 93023003.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30032039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30032039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30032033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016019 + 15016020.

It is an arithmetic number, because the mean of its divisors is an integer number (15016020).

Almost surely, 230032039 is an apocalyptic number.

30032039 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032039 is an equidigital number, since it uses as much as digits as its factorization.

30032039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 30032039 is about 5480.1495417552. The cubic root of 30032039 is about 310.8338252661.

The spelling of 30032039 in words is "thirty million, thirty-two thousand, thirty-nine".