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30242249 is a prime number
BaseRepresentation
bin111001101011…
…1010111001001
32002220110120022
41303113113021
530220222444
63000110225
7515024552
oct163272711
962813508
1030242249
11160864a4
12a165375
13635b32b
144033329
1529c59ee
hex1cd75c9

30242249 has 2 divisors, whose sum is σ = 30242250. Its totient is φ = 30242248.

The previous prime is 30242239. The next prime is 30242257. The reversal of 30242249 is 94224203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20539024 + 9703225 = 4532^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 30242249 - 28 = 30241993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30242239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121124 + 15121125.

It is an arithmetic number, because the mean of its divisors is an integer number (15121125).

Almost surely, 230242249 is an apocalyptic number.

It is an amenable number.

30242249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242249 is an equidigital number, since it uses as much as digits as its factorization.

30242249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30242249 is about 5499.2953184931. The cubic root of 30242249 is about 311.5573694112.

The spelling of 30242249 in words is "thirty million, two hundred forty-two thousand, two hundred forty-nine".