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30070613 is a prime number
BaseRepresentation
bin111001010110…
…1011101010101
32002120202010102
41302231131111
530144224423
62552303445
7513411266
oct162553525
962522112
1030070613
1115a79551
12a0a1b85
1362cb181
143dca96d
15298ec28
hex1cad755

30070613 has 2 divisors, whose sum is σ = 30070614. Its totient is φ = 30070612.

The previous prime is 30070583. The next prime is 30070627. The reversal of 30070613 is 31607003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 237169 = 5462^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 30070613 - 26 = 30070549 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30070633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15035306 + 15035307.

It is an arithmetic number, because the mean of its divisors is an integer number (15035307).

Almost surely, 230070613 is an apocalyptic number.

It is an amenable number.

30070613 is a deficient number, since it is larger than the sum of its proper divisors (1).

30070613 is an equidigital number, since it uses as much as digits as its factorization.

30070613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30070613 is about 5483.6678418737. The cubic root of 30070613 is about 310.9668495801.

Adding to 30070613 its reverse (31607003), we get a palindrome (61677616).

The spelling of 30070613 in words is "thirty million, seventy thousand, six hundred thirteen".