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104421413 = 257406309
BaseRepresentation
bin1100011100101…
…01100000100101
321021111011020202
412032111200211
5203212441123
614210040245
72405365415
oct616254045
9237434222
10104421413
1153a41398
122ab79085
1318831125
14dc22645
159279a28
hex6395825

104421413 has 4 divisors (see below), whose sum is σ = 104827980. Its totient is φ = 104014848.

The previous prime is 104421389. The next prime is 104421479. The reversal of 104421413 is 314124401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99660289 + 4761124 = 9983^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 104421413 - 214 = 104405029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104421013) 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, 202898 + ... + 203411.

It is an arithmetic number, because the mean of its divisors is an integer number (26206995).

Almost surely, 2104421413 is an apocalyptic number.

It is an amenable number.

104421413 is a deficient number, since it is larger than the sum of its proper divisors (406567).

104421413 is an equidigital number, since it uses as much as digits as its factorization.

104421413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406566.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104421413 is about 10218.6796113784. The cubic root of 104421413 is about 470.9012629550.

Adding to 104421413 its reverse (314124401), we get a palindrome (418545814).

The spelling of 104421413 in words is "one hundred four million, four hundred twenty-one thousand, four hundred thirteen".

Divisors: 1 257 406309 104421413