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115193797 is a prime number
BaseRepresentation
bin1101101110110…
…11011111000101
322000202110011221
412313123133011
5213442200142
615233000341
72566062655
oct667333705
9260673157
10115193797
115a029894
12326b30b1
131ab33414
1411428365
15a1a6767
hex6ddb7c5

115193797 has 2 divisors, whose sum is σ = 115193798. Its totient is φ = 115193796.

The previous prime is 115193773. The next prime is 115193807. The reversal of 115193797 is 797391511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76580001 + 38613796 = 8751^2 + 6214^2 .

It is a cyclic number.

It is not a de Polignac number, because 115193797 - 223 = 106805189 is a prime.

It is a super-2 number, since 2×1151937972 = 26539221734554418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115193747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57596898 + 57596899.

It is an arithmetic number, because the mean of its divisors is an integer number (57596899).

Almost surely, 2115193797 is an apocalyptic number.

It is an amenable number.

115193797 is a deficient number, since it is larger than the sum of its proper divisors (1).

115193797 is an equidigital number, since it uses as much as digits as its factorization.

115193797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 43.

The square root of 115193797 is about 10732.8373229077. The cubic root of 115193797 is about 486.5674261792.

The spelling of 115193797 in words is "one hundred fifteen million, one hundred ninety-three thousand, seven hundred ninety-seven".