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30254243 is a prime number
BaseRepresentation
bin111001101101…
…0010010100011
32002221002000112
41303122102203
530221113433
63000241535
7515104535
oct163322243
962832015
1030254243
1116094508
12a1702ab
136363926
144037855
1529c9348
hex1cda4a3

30254243 has 2 divisors, whose sum is σ = 30254244. Its totient is φ = 30254242.

The previous prime is 30254227. The next prime is 30254261. The reversal of 30254243 is 34245203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30254243 - 24 = 30254227 is a prime.

It is not a weakly prime, because it can be changed into another prime (30250243) 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, 15127121 + 15127122.

It is an arithmetic number, because the mean of its divisors is an integer number (15127122).

Almost surely, 230254243 is an apocalyptic number.

30254243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30254243 is an equidigital number, since it uses as much as digits as its factorization.

30254243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30254243 is about 5500.3857137477. The cubic root of 30254243 is about 311.5985515908.

Adding to 30254243 its reverse (34245203), we get a palindrome (64499446).

It can be divided in two parts, 302 and 54243, that added together give a palindrome (54545).

The spelling of 30254243 in words is "thirty million, two hundred fifty-four thousand, two hundred forty-three".