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2243453453 = 3631361781
BaseRepresentation
bin1000010110111000…
…0110001000001101
312210100110020120122
42011232012020031
514043311002303
61010340554325
7106411016423
oct20556061015
95710406518
102243453453
11a5140986a
125273b29a5
13299a37067
14173d4d113
15d1e51e38
hex85b8620d

2243453453 has 4 divisors (see below), whose sum is σ = 2243551548. Its totient is φ = 2243355360.

The previous prime is 2243453413. The next prime is 2243453473. The reversal of 2243453453 is 3543543422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 123587689 + 2119865764 = 11117^2 + 46042^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243453453 - 26 = 2243453389 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 (2243453413) 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, 5423 + ... + 67203.

It is an arithmetic number, because the mean of its divisors is an integer number (560887887).

Almost surely, 22243453453 is an apocalyptic number.

It is an amenable number.

2243453453 is a deficient number, since it is larger than the sum of its proper divisors (98095).

2243453453 is an equidigital number, since it uses as much as digits as its factorization.

2243453453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98094.

The product of its digits is 172800, while the sum is 35.

The square root of 2243453453 is about 47365.1079698970. The cubic root of 2243453453 is about 1309.0985879680.

Adding to 2243453453 its reverse (3543543422), we get a palindrome (5786996875).

The spelling of 2243453453 in words is "two billion, two hundred forty-three million, four hundred fifty-three thousand, four hundred fifty-three".

Divisors: 1 36313 61781 2243453453