Search a number
-
+
104223281 = 2353193443
BaseRepresentation
bin1100011011001…
…01001000110001
321021010002110112
412031211020301
5203140121111
614201511105
72403611651
oct615451061
9237102415
10104223281
1153916548
122aaa2495
1318791ba6
14dbb0361
15923ae8b
hex6365231

104223281 has 16 divisors (see below), whose sum is σ = 111632256. Its totient is φ = 97084416.

The previous prime is 104223269. The next prime is 104223283. The reversal of 104223281 is 182322401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104223281 - 214 = 104206897 is a prime.

It is a super-2 number, since 2×1042232812 = 21724984604809922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104223283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235046 + ... + 235488.

It is an arithmetic number, because the mean of its divisors is an integer number (6977016).

Almost surely, 2104223281 is an apocalyptic number.

It is an amenable number.

104223281 is a deficient number, since it is larger than the sum of its proper divisors (7408975).

104223281 is a wasteful number, since it uses less digits than its factorization.

104223281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 104223281 is about 10208.9804094239. The cubic root of 104223281 is about 470.6032408061.

Adding to 104223281 its reverse (182322401), we get a palindrome (286545682).

The spelling of 104223281 in words is "one hundred four million, two hundred twenty-three thousand, two hundred eighty-one".

Divisors: 1 23 53 193 443 1219 4439 10189 10229 23479 85499 235267 540017 1966477 4531447 104223281