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224240143 = 3114474999
BaseRepresentation
bin11010101110110…
…10001000001111
3120121221120122111
431113122020033
5424401141033
634130124451
75362003231
oct1527321017
9517846574
10224240143
11105639a36
1263120727
13375c369a
1421ad2251
1514a467cd
hexd5da20f

224240143 has 8 divisors (see below), whose sum is σ = 231680000. Its totient is φ = 216813240.

The previous prime is 224240131. The next prime is 224240161. The reversal of 224240143 is 341042422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-224240143 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 (224240113) 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, 42358 + ... + 47356.

It is an arithmetic number, because the mean of its divisors is an integer number (28960000).

Almost surely, 2224240143 is an apocalyptic number.

224240143 is a deficient number, since it is larger than the sum of its proper divisors (7439857).

224240143 is a wasteful number, since it uses less digits than its factorization.

224240143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 224240143 is about 14974.6500126046. The cubic root of 224240143 is about 607.5347453130.

Adding to 224240143 its reverse (341042422), we get a palindrome (565282565).

The spelling of 224240143 in words is "two hundred twenty-four million, two hundred forty thousand, one hundred forty-three".

Divisors: 1 31 1447 4999 44857 154969 7233553 224240143