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104542441 = 992910529
BaseRepresentation
bin1100011101100…
…11000011101001
321021201022021021
412032303003221
5203230324231
614212412441
72406411313
oct616630351
9237638237
10104542441
1154014313
122b017121
1318874243
14dc547b3
1592a0811
hex63b30e9

104542441 has 4 divisors (see below), whose sum is σ = 104562900. Its totient is φ = 104521984.

The previous prime is 104542433. The next prime is 104542453. The reversal of 104542441 is 144245401.

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 53348416 + 51194025 = 7304^2 + 7155^2 .

It is a cyclic number.

It is not a de Polignac number, because 104542441 - 23 = 104542433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104548441) 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, 4665 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (26140725).

Almost surely, 2104542441 is an apocalyptic number.

It is an amenable number.

104542441 is a deficient number, since it is larger than the sum of its proper divisors (20459).

104542441 is an equidigital number, since it uses as much as digits as its factorization.

104542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20458.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 104542441 is about 10224.5997965691. The cubic root of 104542441 is about 471.0831229520.

Adding to 104542441 its reverse (144245401), we get a palindrome (248787842).

The spelling of 104542441 in words is "one hundred four million, five hundred forty-two thousand, four hundred forty-one".

Divisors: 1 9929 10529 104542441