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104433985 = 520886797
BaseRepresentation
bin1100011100110…
…00100101000001
321021111210111101
412032120211001
5203213341420
614210214401
72405450155
oct616304501
9237453441
10104433985
1153a4a887
122ab84401
1318836a76
14dc27065
15927d60a
hex6398941

104433985 has 4 divisors (see below), whose sum is σ = 125320788. Its totient is φ = 83547184.

The previous prime is 104433977. The next prime is 104433997. The reversal of 104433985 is 589334401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589334401 = 5311119517.

It can be written as a sum of positive squares in 2 ways, for example, as 59490369 + 44943616 = 7713^2 + 6704^2 .

It is a cyclic number.

It is not a de Polignac number, because 104433985 - 23 = 104433977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10443394 + ... + 10443403.

It is an arithmetic number, because the mean of its divisors is an integer number (31330197).

Almost surely, 2104433985 is an apocalyptic number.

It is an amenable number.

104433985 is a deficient number, since it is larger than the sum of its proper divisors (20886803).

104433985 is an equidigital number, since it uses as much as digits as its factorization.

104433985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886802.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 104433985 is about 10219.2947408322. The cubic root of 104433985 is about 470.9201605257.

The spelling of 104433985 in words is "one hundred four million, four hundred thirty-three thousand, nine hundred eighty-five".

Divisors: 1 5 20886797 104433985