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30022253 is a prime number
BaseRepresentation
bin111001010000…
…1101001101101
32002111021210022
41302201221231
530141203003
62551251525
7513120302
oct162415155
962437708
1030022253
1115a46188
12a079ba5
1362b2161
143db70a9
152980738
hex1ca1a6d

30022253 has 2 divisors, whose sum is σ = 30022254. Its totient is φ = 30022252.

The previous prime is 30022189. The next prime is 30022259. The reversal of 30022253 is 35222003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18645124 + 11377129 = 4318^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022253 - 26 = 30022189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30022259) 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, 15011126 + 15011127.

It is an arithmetic number, because the mean of its divisors is an integer number (15011127).

Almost surely, 230022253 is an apocalyptic number.

It is an amenable number.

30022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022253 is an equidigital number, since it uses as much as digits as its factorization.

30022253 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 17.

The square root of 30022253 is about 5479.2566101616. The cubic root of 30022253 is about 310.8000596570.

Adding to 30022253 its reverse (35222003), we get a palindrome (65244256).

The spelling of 30022253 in words is "thirty million, twenty-two thousand, two hundred fifty-three".