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2243153441 = 8212732221
BaseRepresentation
bin1000010110110011…
…1100111000100001
312210022220000001002
42011230330320201
514043221402231
61010330321345
7106405326644
oct20554747041
95708800032
102243153441
11a51224421
12527289255
13299960639
14173cb1a5b
15d1de30cb
hex85b3ce21

2243153441 has 4 divisors (see below), whose sum is σ = 2245886484. Its totient is φ = 2240420400.

The previous prime is 2243153431. The next prime is 2243153447. The reversal of 2243153441 is 1443513422.

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 1231659025 + 1011494416 = 35095^2 + 31804^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243153441 - 26 = 2243153377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243153447) 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, 1365290 + ... + 1366931.

It is an arithmetic number, because the mean of its divisors is an integer number (561471621).

Almost surely, 22243153441 is an apocalyptic number.

It is an amenable number.

2243153441 is a deficient number, since it is larger than the sum of its proper divisors (2733043).

2243153441 is an equidigital number, since it uses as much as digits as its factorization.

2243153441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733042.

The product of its digits is 11520, while the sum is 29.

The square root of 2243153441 is about 47361.9408491671. The cubic root of 2243153441 is about 1309.0402310937.

Adding to 2243153441 its reverse (1443513422), we get a palindrome (3686666863).

The spelling of 2243153441 in words is "two billion, two hundred forty-three million, one hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 821 2732221 2243153441