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30197159 is a prime number
BaseRepresentation
bin111001100110…
…0010110100111
32002211011201022
41303030112213
530212302114
62555121355
7514446236
oct163142647
962734638
1030197159
1116055633
12a14325b
136343955
144020b1d
1529b748e
hex1ccc5a7

30197159 has 2 divisors, whose sum is σ = 30197160. Its totient is φ = 30197158.

The previous prime is 30197147. The next prime is 30197173. The reversal of 30197159 is 95179103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30197159 - 224 = 13419943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30197179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098579 + 15098580.

It is an arithmetic number, because the mean of its divisors is an integer number (15098580).

Almost surely, 230197159 is an apocalyptic number.

30197159 is a deficient number, since it is larger than the sum of its proper divisors (1).

30197159 is an equidigital number, since it uses as much as digits as its factorization.

30197159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 30197159 is about 5495.1941730934. The cubic root of 30197159 is about 311.4024524790.

The spelling of 30197159 in words is "thirty million, one hundred ninety-seven thousand, one hundred fifty-nine".