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1441444253 = 1975865487
BaseRepresentation
bin101010111101010…
…1011000110011101
310201110022221210012
41111322223012131
510423002204003
6355011053005
750502034244
oct12572530635
93643287705
101441444253
1167a726447
123428a1165
1319c82c7c2
14d961d95b
158682e8d8
hex55eab19d

1441444253 has 4 divisors (see below), whose sum is σ = 1517309760. Its totient is φ = 1365578748.

The previous prime is 1441444243. The next prime is 1441444289. The reversal of 1441444253 is 3524441441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3524441441 = 17159205399.

It is a cyclic number.

It is not a de Polignac number, because 1441444253 - 216 = 1441378717 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 (1441444243) 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, 37932725 + ... + 37932762.

It is an arithmetic number, because the mean of its divisors is an integer number (379327440).

Almost surely, 21441444253 is an apocalyptic number.

It is an amenable number.

1441444253 is a deficient number, since it is larger than the sum of its proper divisors (75865507).

1441444253 is an equidigital number, since it uses as much as digits as its factorization.

1441444253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75865506.

The product of its digits is 30720, while the sum is 32.

The square root of 1441444253 is about 37966.3568570913. The cubic root of 1441444253 is about 1129.6206346549.

Adding to 1441444253 its reverse (3524441441), we get a palindrome (4965885694).

The spelling of 1441444253 in words is "one billion, four hundred forty-one million, four hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 19 75865487 1441444253