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104549089 = 293605141
BaseRepresentation
bin1100011101101…
…00101011100001
321021201122101111
412032310223201
5203231032324
614212503321
72406436561
oct616645341
9237648344
10104549089
1154019307
122b01ab41
1318877288
14dc56da1
1592a2794
hex63b4ae1

104549089 has 4 divisors (see below), whose sum is σ = 108154260. Its totient is φ = 100943920.

The previous prime is 104549083. The next prime is 104549113. The reversal of 104549089 is 980945401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980945401 = 1069917629.

It can be written as a sum of positive squares in 2 ways, for example, as 75550864 + 28998225 = 8692^2 + 5385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104549089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104549083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802542 + ... + 1802599.

It is an arithmetic number, because the mean of its divisors is an integer number (27038565).

Almost surely, 2104549089 is an apocalyptic number.

It is an amenable number.

104549089 is a deficient number, since it is larger than the sum of its proper divisors (3605171).

104549089 is an equidigital number, since it uses as much as digits as its factorization.

104549089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605170.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 104549089 is about 10224.9248896997. The cubic root of 104549089 is about 471.0931083519.

The spelling of 104549089 in words is "one hundred four million, five hundred forty-nine thousand, eighty-nine".

Divisors: 1 29 3605141 104549089