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30245113 is a prime number
BaseRepresentation
bin111001101100…
…0000011111001
32002220121111101
41303120003321
530220320423
63000131401
7515036113
oct163300371
962817441
1030245113
1116088668
12a166b61
13635c722
1440343b3
1529c67ad
hex1cd80f9

30245113 has 2 divisors, whose sum is σ = 30245114. Its totient is φ = 30245112.

The previous prime is 30245107. The next prime is 30245123. The reversal of 30245113 is 31154203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15896169 + 14348944 = 3987^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 30245113 - 29 = 30244601 is a prime.

It is not a weakly prime, because it can be changed into another prime (30245123) 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, 15122556 + 15122557.

It is an arithmetic number, because the mean of its divisors is an integer number (15122557).

Almost surely, 230245113 is an apocalyptic number.

It is an amenable number.

30245113 is a deficient number, since it is larger than the sum of its proper divisors (1).

30245113 is an equidigital number, since it uses as much as digits as its factorization.

30245113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30245113 is about 5499.5557093278. Note that the first 3 decimals coincide. The cubic root of 30245113 is about 311.5672041310.

Subtracting from 30245113 its product of nonzero digits (360), we obtain a triangular number (30244753 = T7777).

Adding to 30245113 its reverse (31154203), we get a palindrome (61399316).

The spelling of 30245113 in words is "thirty million, two hundred forty-five thousand, one hundred thirteen".