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104893 = 293617
BaseRepresentation
bin11001100110111101
312022212221
4121212331
511324033
62125341
7614545
oct314675
9168787
10104893
1171898
1250851
1338989
142a325
152112d
hex199bd

104893 has 4 divisors (see below), whose sum is σ = 108540. Its totient is φ = 101248.

The previous prime is 104891. The next prime is 104911. The reversal of 104893 is 398401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 398401 = 537517.

It can be written as a sum of positive squares in 2 ways, for example, as 19044 + 85849 = 138^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 104893 - 21 = 104891 is a prime.

It is a super-2 number, since 2×1048932 = 22005082898, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 0 + 85 + 48 + 94 + 33 .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (27135).

2104893 is an apocalyptic number.

It is an amenable number.

104893 is a deficient number, since it is larger than the sum of its proper divisors (3647).

104893 is an equidigital number, since it uses as much as digits as its factorization.

104893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 104893 is about 323.8718882521. The cubic root of 104893 is about 47.1609091739.

The spelling of 104893 in words is "one hundred four thousand, eight hundred ninety-three".

Divisors: 1 29 3617 104893