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30393427 is a prime number
BaseRepresentation
bin111001111110…
…0010001010011
32010012010221111
41303330101103
530240042202
63003234151
7516224401
oct163742123
963163844
1030393427
111617a039
12a218957
1363b209c
144072471
152a056d7
hex1cfc453

30393427 has 2 divisors, whose sum is σ = 30393428. Its totient is φ = 30393426.

The previous prime is 30393409. The next prime is 30393449. The reversal of 30393427 is 72439303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30393427 - 223 = 22004819 is a prime.

It is not a weakly prime, because it can be changed into another prime (30393227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15196713 + 15196714.

It is an arithmetic number, because the mean of its divisors is an integer number (15196714).

Almost surely, 230393427 is an apocalyptic number.

30393427 is a deficient number, since it is larger than the sum of its proper divisors (1).

30393427 is an equidigital number, since it uses as much as digits as its factorization.

30393427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 30393427 is about 5513.0233991885. The cubic root of 30393427 is about 312.0756548674.

The spelling of 30393427 in words is "thirty million, three hundred ninety-three thousand, four hundred twenty-seven".