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30173141 is a prime number
BaseRepresentation
bin111001100011…
…0011111010101
32002202221202202
41303012133111
530211020031
62554414245
7514316225
oct163063725
962687682
1030173141
1116039589
12a131385
136335a3b
144016085
1529b02cb
hex1cc67d5

30173141 has 2 divisors, whose sum is σ = 30173142. Its totient is φ = 30173140.

The previous prime is 30173063. The next prime is 30173183. The reversal of 30173141 is 14137103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 306916 = 5465^2 + 554^2 .

It is an emirp because it is prime and its reverse (14137103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30173141 - 210 = 30172117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30173641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15086570 + 15086571.

It is an arithmetic number, because the mean of its divisors is an integer number (15086571).

Almost surely, 230173141 is an apocalyptic number.

It is an amenable number.

30173141 is a deficient number, since it is larger than the sum of its proper divisors (1).

30173141 is an equidigital number, since it uses as much as digits as its factorization.

30173141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 30173141 is about 5493.0083742882. The cubic root of 30173141 is about 311.3198702300.

The spelling of 30173141 in words is "thirty million, one hundred seventy-three thousand, one hundred forty-one".