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104422421 = 509920479
BaseRepresentation
bin1100011100101…
…01110000010101
321021111012122002
412032111300111
5203213004141
614210045045
72405401355
oct616256025
9237435562
10104422421
1153a42124
122ab79785
131883171c
14dc22b65
159279e9b
hex6395c15

104422421 has 4 divisors (see below), whose sum is σ = 104448000. Its totient is φ = 104396844.

The previous prime is 104422403. The next prime is 104422433. The reversal of 104422421 is 124224401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104422421 - 226 = 37313557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104422393 and 104422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104422471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5141 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (26112000).

Almost surely, 2104422421 is an apocalyptic number.

It is an amenable number.

104422421 is a deficient number, since it is larger than the sum of its proper divisors (25579).

104422421 is an equidigital number, since it uses as much as digits as its factorization.

104422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 104422421 is about 10218.7289327000. The cubic root of 104422421 is about 470.9027781837.

Adding to 104422421 its reverse (124224401), we get a palindrome (228646822).

The spelling of 104422421 in words is "one hundred four million, four hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 5099 20479 104422421