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2243242453 is a prime number
BaseRepresentation
bin1000010110110101…
…0010100111010101
312210100001112010211
42011231102213111
514043232224303
61010332245421
7106406150314
oct20555224725
95710045124
102243242453
11a51285291
12527310871
13299991cca
14173cd627b
15d1e0e66d
hex85b529d5

2243242453 has 2 divisors, whose sum is σ = 2243242454. Its totient is φ = 2243242452.

The previous prime is 2243242433. The next prime is 2243242489. The reversal of 2243242453 is 3542423422.

2243242453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1607849604 + 635392849 = 40098^2 + 25207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2243242453 is a prime.

It is a super-4 number, since 4×22432424534 (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243242403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121621226 + 1121621227.

It is an arithmetic number, because the mean of its divisors is an integer number (1121621227).

Almost surely, 22243242453 is an apocalyptic number.

It is an amenable number.

2243242453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243242453 is an equidigital number, since it uses as much as digits as its factorization.

2243242453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 31.

The square root of 2243242453 is about 47362.8805395111. The cubic root of 2243242453 is about 1309.0575458176.

Adding to 2243242453 its reverse (3542423422), we get a palindrome (5785665875).

The spelling of 2243242453 in words is "two billion, two hundred forty-three million, two hundred forty-two thousand, four hundred fifty-three".