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30127297 is a prime number
BaseRepresentation
bin111001011101…
…1010011000001
32002200121212211
41302323103001
530203033142
62553422121
7514035454
oct162732301
962617784
1030127297
11160080a2
12a10a941
13631ac05
14400349b
1529a1917
hex1cbb4c1

30127297 has 2 divisors, whose sum is σ = 30127298. Its totient is φ = 30127296.

The previous prime is 30127291. The next prime is 30127303. The reversal of 30127297 is 79272103.

It is a balanced prime because it is at equal distance from previous prime (30127291) and next prime (30127303).

It can be written as a sum of positive squares in only one way, i.e., 23030401 + 7096896 = 4799^2 + 2664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30127297 is a prime.

It is a Chen prime.

It is equal to p1865290 and since 30127297 and 1865290 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30127291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15063648 + 15063649.

It is an arithmetic number, because the mean of its divisors is an integer number (15063649).

Almost surely, 230127297 is an apocalyptic number.

It is an amenable number.

30127297 is a deficient number, since it is larger than the sum of its proper divisors (1).

30127297 is an equidigital number, since it uses as much as digits as its factorization.

30127297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 30127297 is about 5488.8338470025. The cubic root of 30127297 is about 311.1621208546.

The spelling of 30127297 in words is "thirty million, one hundred twenty-seven thousand, two hundred ninety-seven".