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136093241 = 53248449
BaseRepresentation
bin10000001110010…
…01111000111001
3100111002020211102
420013021320321
5234314440431
621300541145
73241526204
oct1007117071
9314066742
10136093241
116a903959
12396b17b5
132227005b
141410893b
15be33dcb
hex81c9e39

136093241 has 6 divisors (see below), whose sum is σ = 138712350. Its totient is φ = 133522688.

The previous prime is 136093213. The next prime is 136093249. The reversal of 136093241 is 142390631.

It can be written as a sum of positive squares in 3 ways, for example, as 94167616 + 41925625 = 9704^2 + 6475^2 .

It is not a de Polignac number, because 136093241 - 218 = 135831097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136093249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21416 + ... + 27033.

It is an arithmetic number, because the mean of its divisors is an integer number (23118725).

Almost surely, 2136093241 is an apocalyptic number.

It is an amenable number.

136093241 is a deficient number, since it is larger than the sum of its proper divisors (2619109).

136093241 is an frugal number, since it uses more digits than its factorization.

136093241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48555 (or 48502 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 136093241 is about 11665.9007796226. The cubic root of 136093241 is about 514.3738152382.

The spelling of 136093241 in words is "one hundred thirty-six million, ninety-three thousand, two hundred forty-one".

Divisors: 1 53 2809 48449 2567797 136093241