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115097 = 179643
BaseRepresentation
bin11100000110011001
312211212212
4130012121
512140342
62244505
7656363
oct340631
9184785
10115097
1179524
1256735
1340508
142dd33
1524182
hex1c199

115097 has 4 divisors (see below), whose sum is σ = 115920. Its totient is φ = 114276.

The previous prime is 115079. The next prime is 115099. The reversal of 115097 is 790511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 790511 = 2927259.

It is a cyclic number.

It is not a de Polignac number, because 115097 - 210 = 114073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2115097 is an apocalyptic number.

It is an amenable number.

115097 is a deficient number, since it is larger than the sum of its proper divisors (823).

115097 is an equidigital number, since it uses as much as digits as its factorization.

115097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 115097 is about 339.2594877082. The cubic root of 115097 is about 48.6431100941.

The spelling of 115097 in words is "one hundred fifteen thousand, ninety-seven".

Divisors: 1 179 643 115097