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30025297 is a prime number
BaseRepresentation
bin111001010001…
…0011001010001
32002111102222001
41302202121101
530141302142
62551314001
7513132211
oct162423121
962442861
1030025297
1115a484a5
12a07b901
1362b3663
143db8241
1529815b7
hex1ca2651

30025297 has 2 divisors, whose sum is σ = 30025298. Its totient is φ = 30025296.

The previous prime is 30025291. The next prime is 30025367. The reversal of 30025297 is 79252003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29149201 + 876096 = 5399^2 + 936^2 .

It is an emirp because it is prime and its reverse (79252003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30025297 is a prime.

It is not a weakly prime, because it can be changed into another prime (30025291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15012648 + 15012649.

It is an arithmetic number, because the mean of its divisors is an integer number (15012649).

Almost surely, 230025297 is an apocalyptic number.

It is an amenable number.

30025297 is a deficient number, since it is larger than the sum of its proper divisors (1).

30025297 is an equidigital number, since it uses as much as digits as its factorization.

30025297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30025297 is about 5479.5343780288. The cubic root of 30025297 is about 310.8105634591.

The spelling of 30025297 in words is "thirty million, twenty-five thousand, two hundred ninety-seven".