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104385905 = 5131984523
BaseRepresentation
bin1100011100011…
…00110101110001
321021102100112122
412032030311301
5203210322110
614205204025
72405160041
oct616146561
9237370478
10104385905
1153a17748
122ab60615
131881ac10
14dc13721
15926e255
hex638cd71

104385905 has 16 divisors (see below), whose sum is σ = 142000320. Its totient is φ = 73027008.

The previous prime is 104385857. The next prime is 104385923. The reversal of 104385905 is 509583401.

It is a cyclic number.

It is not a de Polignac number, because 104385905 - 220 = 103337329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41027 + ... + 43496.

It is an arithmetic number, because the mean of its divisors is an integer number (8875020).

Almost surely, 2104385905 is an apocalyptic number.

It is an amenable number.

104385905 is a deficient number, since it is larger than the sum of its proper divisors (37614415).

104385905 is a wasteful number, since it uses less digits than its factorization.

104385905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84560.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 104385905 is about 10216.9420571911. The cubic root of 104385905 is about 470.8478809995.

The spelling of 104385905 in words is "one hundred four million, three hundred eighty-five thousand, nine hundred five".

Divisors: 1 5 13 19 65 95 247 1235 84523 422615 1098799 1605937 5493995 8029685 20877181 104385905