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115683245 = 523136649
BaseRepresentation
bin1101110010100…
…10111110101101
322001200022120122
412321102332231
5214103330440
615251254325
72603201636
oct671227655
9261608518
10115683245
115a333597
12328aa3a5
131ac75132
141151488d
15a2517b5
hex6e52fad

115683245 has 4 divisors (see below), whose sum is σ = 138819900. Its totient is φ = 92546592.

The previous prime is 115683223. The next prime is 115683251. The reversal of 115683245 is 542386511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47306884 + 68376361 = 6878^2 + 8269^2 .

It is a cyclic number.

It is not a de Polignac number, because 115683245 - 28 = 115682989 is a prime.

It is a super-2 number, since 2×1156832452 = 26765226347460050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11568320 + ... + 11568329.

It is an arithmetic number, because the mean of its divisors is an integer number (34704975).

Almost surely, 2115683245 is an apocalyptic number.

It is an amenable number.

115683245 is a deficient number, since it is larger than the sum of its proper divisors (23136655).

115683245 is an equidigital number, since it uses as much as digits as its factorization.

115683245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23136654.

The product of its digits is 28800, while the sum is 35.

The square root of 115683245 is about 10755.6145803018. The cubic root of 115683245 is about 487.2555794245.

The spelling of 115683245 in words is "one hundred fifteen million, six hundred eighty-three thousand, two hundred forty-five".

Divisors: 1 5 23136649 115683245