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30397027 is a prime number
BaseRepresentation
bin111001111110…
…1001001100011
32010012022212211
41303331021203
530240201102
63003302551
7516241033
oct163751143
963168784
1030397027
1116181811
12a21aa57
1363b390b
1440738c3
152a067d7
hex1cfd263

30397027 has 2 divisors, whose sum is σ = 30397028. Its totient is φ = 30397026.

The previous prime is 30397013. The next prime is 30397049. The reversal of 30397027 is 72079303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30397027 - 211 = 30394979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30397027.

It is not a weakly prime, because it can be changed into another prime (30397057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15198513 + 15198514.

It is an arithmetic number, because the mean of its divisors is an integer number (15198514).

Almost surely, 230397027 is an apocalyptic number.

30397027 is a deficient number, since it is larger than the sum of its proper divisors (1).

30397027 is an equidigital number, since it uses as much as digits as its factorization.

30397027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 30397027 is about 5513.3498891327. The cubic root of 30397027 is about 312.0879758209.

The spelling of 30397027 in words is "thirty million, three hundred ninety-seven thousand, twenty-seven".