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1144012241 = 3049375209
BaseRepresentation
bin100010000110000…
…0011110111010001
32221201122211202202
41010030003313101
54320331342431
6305304052545
740230641441
oct10414036721
92851584682
101144012241
11537846369
1227b164155
13153020828
14abd18121
156a67b8cb
hex44303dd1

1144012241 has 4 divisors (see below), whose sum is σ = 1144390500. Its totient is φ = 1143633984.

The previous prime is 1144012237. The next prime is 1144012253. The reversal of 1144012241 is 1422104411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391881616 + 752130625 = 19796^2 + 27425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144012241 - 22 = 1144012237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144012201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184556 + ... + 190653.

It is an arithmetic number, because the mean of its divisors is an integer number (286097625).

Almost surely, 21144012241 is an apocalyptic number.

It is an amenable number.

1144012241 is a deficient number, since it is larger than the sum of its proper divisors (378259).

1144012241 is an equidigital number, since it uses as much as digits as its factorization.

1144012241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378258.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1144012241 is about 33823.2500064674. The cubic root of 1144012241 is about 1045.8680366482.

Adding to 1144012241 its reverse (1422104411), we get a palindrome (2566116652).

The spelling of 1144012241 in words is "one billion, one hundred forty-four million, twelve thousand, two hundred forty-one".

Divisors: 1 3049 375209 1144012241