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104020443 = 345632281
BaseRepresentation
bin1100011001100…
…11100111011011
321020201210020000
412030303213123
5203112123233
614153304043
72402105412
oct614634733
9236653200
10104020443
115379810a
122aa05023
1318720777
14db5a479
1591ead13
hex63339db

104020443 has 20 divisors (see below), whose sum is σ = 155732808. Its totient is φ = 69193440.

The previous prime is 104020439. The next prime is 104020451. The reversal of 104020443 is 344020401.

It is not a de Polignac number, because 104020443 - 22 = 104020439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104020453) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44463 + ... + 46743.

Almost surely, 2104020443 is an apocalyptic number.

104020443 is a deficient number, since it is larger than the sum of its proper divisors (51712365).

104020443 is an equidigital number, since it uses as much as digits as its factorization.

104020443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104020443 is about 10199.0412784732. The cubic root of 104020443 is about 470.2977485607.

Adding to 104020443 its reverse (344020401), we get a palindrome (448040844).

The spelling of 104020443 in words is "one hundred four million, twenty thousand, four hundred forty-three".

Divisors: 1 3 9 27 81 563 1689 2281 5067 6843 15201 20529 45603 61587 184761 1284203 3852609 11557827 34673481 104020443