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104416109 = 723757593
BaseRepresentation
bin1100011100101…
…00001101101101
321021110212222022
412032110031231
5203212303414
614205555525
72405344100
oct616241555
9237425868
10104416109
1153a38406
122ab75ba5
131882b8a5
14dc20737
15927818e
hex639436d

104416109 has 12 divisors (see below), whose sum is σ = 124748604. Its totient is φ = 87079104.

The previous prime is 104416099. The next prime is 104416111. The reversal of 104416109 is 901614401.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 46199209 = 7630^2 + 6797^2 .

It is a de Polignac number, because none of the positive numbers 2k-104416109 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 (104416139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26984 + ... + 30609.

It is an arithmetic number, because the mean of its divisors is an integer number (10395717).

Almost surely, 2104416109 is an apocalyptic number.

It is an amenable number.

104416109 is a deficient number, since it is larger than the sum of its proper divisors (20332495).

104416109 is an equidigital number, since it uses as much as digits as its factorization.

104416109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57644 (or 57637 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 104416109 is about 10218.4200833593. The cubic root of 104416109 is about 470.8932898056.

The spelling of 104416109 in words is "one hundred four million, four hundred sixteen thousand, one hundred nine".

Divisors: 1 7 37 49 259 1813 57593 403151 2130941 2822057 14916587 104416109