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104001 = 334667
BaseRepresentation
bin11001011001000001
312021122220
4121121001
511312001
62121253
7612132
oct313101
9167586
10104001
1171157
1250229
1338451
1429c89
1520c36
hex19641

104001 has 4 divisors (see below), whose sum is σ = 138672. Its totient is φ = 69332.

The previous prime is 103997. The next prime is 104003. The reversal of 104001 is 100401.

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 104001 - 22 = 103997 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17331 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (34668).

2104001 is an apocalyptic number.

It is an amenable number.

104001 is a deficient number, since it is larger than the sum of its proper divisors (34671).

104001 is an equidigital number, since it uses as much as digits as its factorization.

104001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34670.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 104001 is about 322.4918603624. The cubic root of 104001 is about 47.0268444805.

Adding to 104001 its reverse (100401), we get a palindrome (204402).

Subtracting from 104001 its reverse (100401), we obtain a square (3600 = 602).

It can be divided in two parts, 10400 and 1, that added together give a palindrome (10401).

The spelling of 104001 in words is "one hundred four thousand, one", and thus it is an iban number.

Divisors: 1 3 34667 104001