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104421401 = 722131049
BaseRepresentation
bin1100011100101…
…01100000011001
321021111011020022
412032111200121
5203212441101
614210040225
72405365400
oct616254031
9237434208
10104421401
1153a41387
122ab79075
1318831116
14dc22637
159279a1b
hex6395819

104421401 has 6 divisors (see below), whose sum is σ = 121469850. Its totient is φ = 89504016.

The previous prime is 104421389. The next prime is 104421479. The reversal of 104421401 is 104124401.

It can be written as a sum of positive squares in only one way, i.e., 100902025 + 3519376 = 10045^2 + 1876^2 .

It is not a de Polignac number, because 104421401 - 226 = 37312537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104421401.

It is not an unprimeable number, because it can be changed into a prime (104421491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1065476 + ... + 1065573.

It is an arithmetic number, because the mean of its divisors is an integer number (20244975).

Almost surely, 2104421401 is an apocalyptic number.

It is an amenable number.

104421401 is a deficient number, since it is larger than the sum of its proper divisors (17048449).

104421401 is an equidigital number, since it uses as much as digits as its factorization.

104421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131063 (or 2131056 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 104421401 is about 10218.6790242183. The cubic root of 104421401 is about 470.9012449165.

Adding to 104421401 its reverse (104124401), we get a palindrome (208545802).

The spelling of 104421401 in words is "one hundred four million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 7 49 2131049 14917343 104421401