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30875027 is a prime number
BaseRepresentation
bin111010111000…
…1110110010011
32011002121120112
41311301312103
530401000102
63021431535
7523301441
oct165616623
964077515
1030875027
1116478957
12a40b5ab
136520361
144159b91
152a9d252
hex1d71d93

30875027 has 2 divisors, whose sum is σ = 30875028. Its totient is φ = 30875026.

The previous prime is 30875023. The next prime is 30875029. The reversal of 30875027 is 72057803.

It is a strong prime.

It is an emirp because it is prime and its reverse (72057803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30875027 - 22 = 30875023 is a prime.

Together with 30875029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30874984 and 30875002.

It is not a weakly prime, because it can be changed into another prime (30875021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15437513 + 15437514.

It is an arithmetic number, because the mean of its divisors is an integer number (15437514).

Almost surely, 230875027 is an apocalyptic number.

30875027 is a deficient number, since it is larger than the sum of its proper divisors (1).

30875027 is an equidigital number, since it uses as much as digits as its factorization.

30875027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 30875027 is about 5556.5301222975. The cubic root of 30875027 is about 313.7153593179.

The spelling of 30875027 in words is "thirty million, eight hundred seventy-five thousand, twenty-seven".