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104120425 = 522327873
BaseRepresentation
bin1100011010011…
…00000001101001
321020220212101001
412031030001221
5203123323200
614155355001
72403003043
oct615140151
9236825331
10104120425
1153856242
122aa52a61
1318757126
14db84a93
15921a76a
hex634c069

104120425 has 18 divisors (see below), whose sum is σ = 134983982. Its totient is φ = 79664640.

The previous prime is 104120407. The next prime is 104120447. The reversal of 104120425 is 524021401.

It can be written as a sum of positive squares in 3 ways, for example, as 304704 + 103815721 = 552^2 + 10189^2 .

It is not a de Polignac number, because 104120425 - 27 = 104120297 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 17 ways as a sum of consecutive naturals, for example, 9289 + ... + 17161.

Almost surely, 2104120425 is an apocalyptic number.

It is an amenable number.

104120425 is a deficient number, since it is larger than the sum of its proper divisors (30863557).

104120425 is an equidigital number, since it uses as much as digits as its factorization.

104120425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929 (or 7901 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 104120425 is about 10203.9416403662. The cubic root of 104120425 is about 470.4483800165.

Adding to 104120425 its reverse (524021401), we get a palindrome (628141826).

The spelling of 104120425 in words is "one hundred four million, one hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 23 25 115 529 575 2645 7873 13225 39365 181079 196825 905395 4164817 4526975 20824085 104120425