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30250001 is a prime number
BaseRepresentation
bin111001101100…
…1010000010001
32002220212012102
41303121100101
530221000001
63000210145
7515056265
oct163312021
962825172
1030250001
1116091301
12a169955
136361a12
1440360a5
1529c7e6b
hex1cd9411

30250001 has 2 divisors, whose sum is σ = 30250002. Its totient is φ = 30250000.

The previous prime is 30249971. The next prime is 30250009. The reversal of 30250001 is 10005203.

It is a Cunningham number, because it is equal to 55002+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 1 = 5500^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 30250001 - 26 = 30249937 is a prime.

It is not a weakly prime, because it can be changed into another prime (30250009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15125000 + 15125001.

It is an arithmetic number, because the mean of its divisors is an integer number (15125001).

Almost surely, 230250001 is an apocalyptic number.

It is an amenable number.

30250001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30250001 is an equidigital number, since it uses as much as digits as its factorization.

30250001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30250001 is about 5500.0000909091. Note that the first 4 decimals coincide. The cubic root of 30250001 is about 311.5839876519.

Adding to 30250001 its reverse (10005203), we get a palindrome (40255204).

The spelling of 30250001 in words is "thirty million, two hundred fifty thousand, one".