Search a number
-
+
104244491 = 138018807
BaseRepresentation
bin1100011011010…
…10010100001011
321021011011120002
412031222110023
5203141310431
614202153215
72404030541
oct615522413
9237134502
10104244491
115393047a
122aab280b
131879b740
14dbb7d91
1592423cb
hex636a50b

104244491 has 4 divisors (see below), whose sum is σ = 112263312. Its totient is φ = 96225672.

The previous prime is 104244467. The next prime is 104244541. The reversal of 104244491 is 194442401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104244491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104244451) 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, 4009391 + ... + 4009416.

It is an arithmetic number, because the mean of its divisors is an integer number (28065828).

Almost surely, 2104244491 is an apocalyptic number.

104244491 is a deficient number, since it is larger than the sum of its proper divisors (8018821).

104244491 is an equidigital number, since it uses as much as digits as its factorization.

104244491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018820.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 104244491 is about 10210.0191478763. The cubic root of 104244491 is about 470.6351620737.

Adding to 104244491 its reverse (194442401), we get a palindrome (298686892).

The spelling of 104244491 in words is "one hundred four million, two hundred forty-four thousand, four hundred ninety-one".

Divisors: 1 13 8018807 104244491