Search a number
-
+
240241 = 3743151
BaseRepresentation
bin111010101001110001
3110012112211
4322221301
530141431
65052121
72020261
oct725161
9405484
10240241
11154551
12b7041
1385471
14637a1
154b2b1
hex3aa71

240241 has 8 divisors (see below), whose sum is σ = 254144. Its totient is φ = 226800.

The previous prime is 240209. The next prime is 240257. The reversal of 240241 is 142042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(240241) divides (240241-1)4.

It is a cyclic number.

It is not a de Polignac number, because 240241 - 25 = 240209 is a prime.

It is a Duffinian number.

240241 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (31768).

2240241 is an apocalyptic number.

It is an amenable number.

240241 is a deficient number, since it is larger than the sum of its proper divisors (13903).

240241 is a wasteful number, since it uses less digits than its factorization.

240241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 240241 is about 490.1438564340. The cubic root of 240241 is about 62.1654443557.

Adding to 240241 its reverse (142042), we get a palindrome (382283).

It can be divided in two parts, 24024 and 1, that added together give a square (24025 = 1552).

The spelling of 240241 in words is "two hundred forty thousand, two hundred forty-one", and thus it is an iban number.

Divisors: 1 37 43 151 1591 5587 6493 240241