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30197113 is a prime number
BaseRepresentation
bin111001100110…
…0010101111001
32002211011122121
41303030111321
530212301423
62555121241
7514446142
oct163142571
962734577
1030197113
11160555a1
12a143221
13634391b
144020ac9
1529b745d
hex1ccc579

30197113 has 2 divisors, whose sum is σ = 30197114. Its totient is φ = 30197112.

The previous prime is 30197087. The next prime is 30197147. The reversal of 30197113 is 31179103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18003049 + 12194064 = 4243^2 + 3492^2 .

It is a cyclic number.

It is not a de Polignac number, because 30197113 - 221 = 28099961 is a prime.

It is not a weakly prime, because it can be changed into another prime (30197173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098556 + 15098557.

It is an arithmetic number, because the mean of its divisors is an integer number (15098557).

Almost surely, 230197113 is an apocalyptic number.

It is an amenable number.

30197113 is a deficient number, since it is larger than the sum of its proper divisors (1).

30197113 is an equidigital number, since it uses as much as digits as its factorization.

30197113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 30197113 is about 5495.1899876164. The cubic root of 30197113 is about 311.4022943569.

The spelling of 30197113 in words is "thirty million, one hundred ninety-seven thousand, one hundred thirteen".