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104640613 = 7112946861
BaseRepresentation
bin1100011110010…
…11000001100101
321021220021221021
412033023001211
5203241444423
614214451141
72410300450
oct617130145
9237807837
10104640613
1154081050
122b063ab1
13188a9b2c
14dc7c497
1592be95d
hex63cb065

104640613 has 16 divisors (see below), whose sum is σ = 134962560. Its totient is φ = 78724800.

The previous prime is 104640577. The next prime is 104640637. The reversal of 104640613 is 316046401.

It is not a de Polignac number, because 104640613 - 29 = 104640101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104643613) 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 15 ways as a sum of consecutive naturals, for example, 21198 + ... + 25663.

It is an arithmetic number, because the mean of its divisors is an integer number (8435160).

Almost surely, 2104640613 is an apocalyptic number.

It is an amenable number.

104640613 is a deficient number, since it is larger than the sum of its proper divisors (30321947).

104640613 is a wasteful number, since it uses less digits than its factorization.

104640613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46908.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 104640613 is about 10229.3994447377. The cubic root of 104640613 is about 471.2305358213.

The spelling of 104640613 in words is "one hundred four million, six hundred forty thousand, six hundred thirteen".

Divisors: 1 7 11 29 77 203 319 2233 46861 328027 515471 1358969 3608297 9512783 14948659 104640613