Search a number
-
+
241506 = 23213417
BaseRepresentation
bin111010111101100010
3110021021200
4322331202
530212011
65102030
72024046
oct727542
9407250
10241506
111554a1
12b7916
1385c05
1464026
154b856
hex3af62

241506 has 12 divisors (see below), whose sum is σ = 523302. Its totient is φ = 80496.

The previous prime is 241489. The next prime is 241511. The reversal of 241506 is 605142.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 25281 = 465^2 + 159^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13417 = 241506 / (2 + 4 + 1 + 5 + 0 + 6).

It is an unprimeable number.

241506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6691 + ... + 6726.

241506 is a Friedman number, since it can be written as 40251*6, using all its digits and the basic arithmetic operations.

2241506 is an apocalyptic number.

241506 is an abundant number, since it is smaller than the sum of its proper divisors (281796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

241506 is a wasteful number, since it uses less digits than its factorization.

241506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425 (or 13422 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 241506 is about 491.4325996513. The cubic root of 241506 is about 62.2743650690.

Adding to 241506 its reverse (605142), we get a palindrome (846648).

It can be divided in two parts, 241 and 506, that added together give a palindrome (747).

The spelling of 241506 in words is "two hundred forty-one thousand, five hundred six".

Divisors: 1 2 3 6 9 18 13417 26834 40251 80502 120753 241506