Search a number
-
+
241272221 = 307785903
BaseRepresentation
bin11100110000110…
…00010110011101
3121210222220021012
432120120112131
5443231202341
635535145005
75656531361
oct1630302635
9553886235
10241272221
11114212433
1268975165
133aca7c38
14240872a1
15162ad0eb
hexe61859d

241272221 has 4 divisors (see below), whose sum is σ = 242058432. Its totient is φ = 240486012.

The previous prime is 241272209. The next prime is 241272233. The reversal of 241272221 is 122272142.

241272221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122272142 = 261136071.

It is an interprime number because it is at equal distance from previous prime (241272209) and next prime (241272233).

It is a cyclic number.

It is not a de Polignac number, because 241272221 - 214 = 241255837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241272121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392645 + ... + 393258.

It is an arithmetic number, because the mean of its divisors is an integer number (60514608).

Almost surely, 2241272221 is an apocalyptic number.

It is an amenable number.

241272221 is a deficient number, since it is larger than the sum of its proper divisors (786211).

241272221 is an equidigital number, since it uses as much as digits as its factorization.

241272221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786210.

The product of its digits is 896, while the sum is 23.

The square root of 241272221 is about 15532.9398698379. The cubic root of 241272221 is about 622.5426461754.

The spelling of 241272221 in words is "two hundred forty-one million, two hundred seventy-two thousand, two hundred twenty-one".

Divisors: 1 307 785903 241272221