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15347113 is a prime number
BaseRepresentation
bin111010100010…
…110110101001
31001212201021121
4322202312221
512412101423
61304535241
7244306525
oct72426651
931781247
1015347113
118732571
125181521
133244642
142076d85
15153245d
hexea2da9

15347113 has 2 divisors, whose sum is σ = 15347114. Its totient is φ = 15347112.

The previous prime is 15347089. The next prime is 15347131. The reversal of 15347113 is 31174351.

Together with next prime (15347131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12938409 + 2408704 = 3597^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 15347113 - 25 = 15347081 is a prime.

It is not a weakly prime, because it can be changed into another prime (15347153) 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, 7673556 + 7673557.

It is an arithmetic number, because the mean of its divisors is an integer number (7673557).

Almost surely, 215347113 is an apocalyptic number.

It is an amenable number.

15347113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15347113 is an equidigital number, since it uses as much as digits as its factorization.

15347113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 15347113 is about 3917.5391510488. The cubic root of 15347113 is about 248.5090620924.

The spelling of 15347113 in words is "fifteen million, three hundred forty-seven thousand, one hundred thirteen".