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30241973 is a prime number
BaseRepresentation
bin111001101011…
…1010010110101
32002220110012002
41303113102311
530220220343
63000105045
7515024006
oct163272265
962813162
1030241973
1116086273
12a165185
13635b178
1440331ad
1529c58b8
hex1cd74b5

30241973 has 2 divisors, whose sum is σ = 30241974. Its totient is φ = 30241972.

The previous prime is 30241949. The next prime is 30241979. The reversal of 30241973 is 37914203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30217009 + 24964 = 5497^2 + 158^2 .

It is an emirp because it is prime and its reverse (37914203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30241973 - 210 = 30240949 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 (30241979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120986 + 15120987.

It is an arithmetic number, because the mean of its divisors is an integer number (15120987).

Almost surely, 230241973 is an apocalyptic number.

It is an amenable number.

30241973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30241973 is an equidigital number, since it uses as much as digits as its factorization.

30241973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30241973 is about 5499.2702243116. The cubic root of 30241973 is about 311.5564216190.

The spelling of 30241973 in words is "thirty million, two hundred forty-one thousand, nine hundred seventy-three".