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30022439 is a prime number
BaseRepresentation
bin111001010000…
…1101100100111
32002111022001012
41302201230213
530141204224
62551252435
7513120656
oct162415447
962438035
1030022439
1115a46337
12a07a11b
1362b2275
143db719d
15298080e
hex1ca1b27

30022439 has 2 divisors, whose sum is σ = 30022440. Its totient is φ = 30022438.

The previous prime is 30022427. The next prime is 30022441. The reversal of 30022439 is 93422003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30022439 - 28 = 30022183 is a prime.

It is a Sophie Germain prime.

Together with 30022441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30022739) 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 as a sum of consecutive naturals, namely, 15011219 + 15011220.

It is an arithmetic number, because the mean of its divisors is an integer number (15011220).

Almost surely, 230022439 is an apocalyptic number.

30022439 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022439 is an equidigital number, since it uses as much as digits as its factorization.

30022439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30022439 is about 5479.2735832408. The cubic root of 30022439 is about 310.8007014997.

The spelling of 30022439 in words is "thirty million, twenty-two thousand, four hundred thirty-nine".