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15230161 is a prime number
BaseRepresentation
bin111010000110…
…010011010001
31001122202212001
4322012103101
512344331121
61302234001
7243311542
oct72062321
931582761
1015230161
118662711
125125901
13320333b
1420464c9
15150c991
hexe864d1

15230161 has 2 divisors, whose sum is σ = 15230162. Its totient is φ = 15230160.

The previous prime is 15230143. The next prime is 15230167. The reversal of 15230161 is 16103251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 7529536 = 2775^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 15230161 - 25 = 15230129 is a prime.

It is not a weakly prime, because it can be changed into another prime (15230167) 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, 7615080 + 7615081.

It is an arithmetic number, because the mean of its divisors is an integer number (7615081).

Almost surely, 215230161 is an apocalyptic number.

It is an amenable number.

15230161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15230161 is an equidigital number, since it uses as much as digits as its factorization.

15230161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 15230161 is about 3902.5838876314. The cubic root of 15230161 is about 247.8762010016.

The spelling of 15230161 in words is "fifteen million, two hundred thirty thousand, one hundred sixty-one".