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15223097 is a prime number
BaseRepresentation
bin111010000100…
…100100111001
31001122102011102
4322010210321
512344114342
61302141145
7243252131
oct72044471
931572142
1015223097
11865837a
1251217b5
133200066
142043ac1
15150a832
hexe84939

15223097 has 2 divisors, whose sum is σ = 15223098. Its totient is φ = 15223096.

The previous prime is 15223073. The next prime is 15223129. The reversal of 15223097 is 79032251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 137641 = 3884^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 15223097 - 214 = 15206713 is a prime.

It is not a weakly prime, because it can be changed into another prime (15223027) 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, 7611548 + 7611549.

It is an arithmetic number, because the mean of its divisors is an integer number (7611549).

Almost surely, 215223097 is an apocalyptic number.

It is an amenable number.

15223097 is a deficient number, since it is larger than the sum of its proper divisors (1).

15223097 is an equidigital number, since it uses as much as digits as its factorization.

15223097 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 29.

The square root of 15223097 is about 3901.6787412600. The cubic root of 15223097 is about 247.8378720510.

The spelling of 15223097 in words is "fifteen million, two hundred twenty-three thousand, ninety-seven".