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1115352197 is a prime number
BaseRepresentation
bin100001001111010…
…1110110010000101
32212201201202120122
41002132232302011
54241012232242
6302401511325
736432223451
oct10236566205
92781652518
101115352197
11522650683
12271642545
1314a0c771b
14a81b7661
1567db9ad2
hex427aec85

1115352197 has 2 divisors, whose sum is σ = 1115352198. Its totient is φ = 1115352196.

The previous prime is 1115352169. The next prime is 1115352223. The reversal of 1115352197 is 7912535111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067590276 + 47761921 = 32674^2 + 6911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115352197 - 226 = 1048243333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115351197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557676098 + 557676099.

It is an arithmetic number, because the mean of its divisors is an integer number (557676099).

Almost surely, 21115352197 is an apocalyptic number.

It is an amenable number.

1115352197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115352197 is an equidigital number, since it uses as much as digits as its factorization.

1115352197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 35.

The square root of 1115352197 is about 33396.8890317646. The cubic root of 1115352197 is about 1037.0602995152.

The spelling of 1115352197 in words is "one billion, one hundred fifteen million, three hundred fifty-two thousand, one hundred ninety-seven".