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30069121 is a prime number
BaseRepresentation
bin111001010110…
…1000110000001
32002120200002011
41302231012001
530144202441
62552252521
7513404035
oct162550601
962520064
1030069121
1115a78415
12a0a1141
1362ca5a4
143dca1c5
15298e581
hex1cad181

30069121 has 2 divisors, whose sum is σ = 30069122. Its totient is φ = 30069120.

The previous prime is 30069041. The next prime is 30069167. The reversal of 30069121 is 12196003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 6682225 = 4836^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 30069121 - 27 = 30068993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30069092 and 30069101.

It is not a weakly prime, because it can be changed into another prime (30069521) 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, 15034560 + 15034561.

It is an arithmetic number, because the mean of its divisors is an integer number (15034561).

Almost surely, 230069121 is an apocalyptic number.

It is an amenable number.

30069121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30069121 is an equidigital number, since it uses as much as digits as its factorization.

30069121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 30069121 is about 5483.5317998531. The cubic root of 30069121 is about 310.9617064612.

The spelling of 30069121 in words is "thirty million, sixty-nine thousand, one hundred twenty-one".