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30105307 is a prime number
BaseRepresentation
bin111001011010…
…1111011011011
32002122111201101
41302311323123
530201332212
62553132231
7513614401
oct162657333
962574641
1030105307
1115aa2621
12a0ba077
136310bbb
143dd9471
15299a157
hex1cb5edb

30105307 has 2 divisors, whose sum is σ = 30105308. Its totient is φ = 30105306.

The previous prime is 30105209. The next prime is 30105331. The reversal of 30105307 is 70350103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30105307 - 211 = 30103259 is a prime.

It is not a weakly prime, because it can be changed into another prime (30105707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15052653 + 15052654.

It is an arithmetic number, because the mean of its divisors is an integer number (15052654).

Almost surely, 230105307 is an apocalyptic number.

30105307 is a deficient number, since it is larger than the sum of its proper divisors (1).

30105307 is an equidigital number, since it uses as much as digits as its factorization.

30105307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 30105307 is about 5486.8303236021. The cubic root of 30105307 is about 311.0863963880.

The spelling of 30105307 in words is "thirty million, one hundred five thousand, three hundred seven".