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30242837 is a prime number
BaseRepresentation
bin111001101011…
…1100000010101
32002220111101002
41303113200111
530220232322
63000113045
7515026352
oct163274025
962814332
1030242837
1116086989
12a165785
13635b691
144033629
1529c5c92
hex1cd7815

30242837 has 2 divisors, whose sum is σ = 30242838. Its totient is φ = 30242836.

The previous prime is 30242833. The next prime is 30242843. The reversal of 30242837 is 73824203.

30242837 is nontrivially palindromic in base 15.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19945156 + 10297681 = 4466^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 30242837 - 22 = 30242833 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30242831) 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, 15121418 + 15121419.

It is an arithmetic number, because the mean of its divisors is an integer number (15121419).

Almost surely, 230242837 is an apocalyptic number.

It is an amenable number.

30242837 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242837 is an equidigital number, since it uses as much as digits as its factorization.

30242837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 30242837 is about 5499.3487796284. The cubic root of 30242837 is about 311.5593886012.

The spelling of 30242837 in words is "thirty million, two hundred forty-two thousand, eight hundred thirty-seven".