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104115313 = 187755469
BaseRepresentation
bin1100011010010…
…10110001110001
321020220121100201
412031022301301
5203123142223
614155315201
72402652121
oct615126161
9236817321
10104115313
1153852415
122aa4bb01
13187549c3
14db82c81
159218ead
hex634ac71

104115313 has 4 divisors (see below), whose sum is σ = 104172660. Its totient is φ = 104057968.

The previous prime is 104115289. The next prime is 104115317. The reversal of 104115313 is 313511401.

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 21977344 + 82137969 = 4688^2 + 9063^2 .

It is a cyclic number.

It is not a de Polignac number, because 104115313 - 25 = 104115281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104115317) 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 3 ways as a sum of consecutive naturals, for example, 25858 + ... + 29611.

It is an arithmetic number, because the mean of its divisors is an integer number (26043165).

Almost surely, 2104115313 is an apocalyptic number.

It is an amenable number.

104115313 is a deficient number, since it is larger than the sum of its proper divisors (57347).

104115313 is an equidigital number, since it uses as much as digits as its factorization.

104115313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57346.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 104115313 is about 10203.6911458550. The cubic root of 104115313 is about 470.4406806899.

Adding to 104115313 its reverse (313511401), we get a palindrome (417626714).

The spelling of 104115313 in words is "one hundred four million, one hundred fifteen thousand, three hundred thirteen".

Divisors: 1 1877 55469 104115313