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104384478 = 23114336781
BaseRepresentation
bin1100011100011…
…00011111011110
321021102021120210
412032030133132
5203210300403
614205153250
72405152632
oct616143736
9237367523
10104384478
1153a16670
122ab5b826
131881a383
14dc12dc2
15926db03
hex638c7de

104384478 has 32 divisors (see below), whose sum is σ = 233050752. Its totient is φ = 30895200.

The previous prime is 104384477. The next prime is 104384503. The reversal of 104384478 is 874483401.

It is a super-2 number, since 2×1043844782 = 21792238494664968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104384477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15553 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (7282836).

Almost surely, 2104384478 is an apocalyptic number.

104384478 is an abundant number, since it is smaller than the sum of its proper divisors (128666274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104384478 is a wasteful number, since it uses less digits than its factorization.

104384478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36840.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 104384478 is about 10216.8722219670. The cubic root of 104384478 is about 470.8457354257.

The spelling of 104384478 in words is "one hundred four million, three hundred eighty-four thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 43 66 86 129 258 473 946 1419 2838 36781 73562 110343 220686 404591 809182 1213773 1581583 2427546 3163166 4744749 9489498 17397413 34794826 52192239 104384478