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1224132241 = 7451164291
BaseRepresentation
bin100100011110110…
…1100011010010001
310011022102100202011
41020331230122101
510001334212431
6321245222521
742222644443
oct11075543221
93138370664
101224132241
11578a99742
122a1b61a41
131667c3707
14b8812493
1572705cb1
hex48f6c691

1224132241 has 4 divisors (see below), whose sum is σ = 1224303984. Its totient is φ = 1223960500.

The previous prime is 1224132199. The next prime is 1224132263. The reversal of 1224132241 is 1422314221.

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.

It is a cyclic number.

It is not a de Polignac number, because 1224132241 - 29 = 1224131729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224132641) 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, 74695 + ... + 89596.

It is an arithmetic number, because the mean of its divisors is an integer number (306075996).

Almost surely, 21224132241 is an apocalyptic number.

It is an amenable number.

1224132241 is a deficient number, since it is larger than the sum of its proper divisors (171743).

1224132241 is an equidigital number, since it uses as much as digits as its factorization.

1224132241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171742.

The product of its digits is 768, while the sum is 22.

The square root of 1224132241 is about 34987.6012467274. The cubic root of 1224132241 is about 1069.7347701998.

Adding to 1224132241 its reverse (1422314221), we get a palindrome (2646446462).

The spelling of 1224132241 in words is "one billion, two hundred twenty-four million, one hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 7451 164291 1224132241