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1444342841 = 3739036293
BaseRepresentation
bin101011000010110…
…1110110000111001
310201122210012220022
41112011232300321
510424222432331
6355153140225
750535466034
oct12605566071
93648705808
101444342841
11681326177
1234385a675
131a0305c46
14d9b7601b
1586c0367b
hex5616ec39

1444342841 has 4 divisors (see below), whose sum is σ = 1483379172. Its totient is φ = 1405306512.

The previous prime is 1444342807. The next prime is 1444342877. The reversal of 1444342841 is 1482434441.

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 661518400 + 782824441 = 25720^2 + 27979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444342841 - 26 = 1444342777 is a prime.

It is a super-2 number, since 2×14443428412 = 4172252484695902562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444342241) 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, 19518110 + ... + 19518183.

It is an arithmetic number, because the mean of its divisors is an integer number (370844793).

Almost surely, 21444342841 is an apocalyptic number.

It is an amenable number.

1444342841 is a deficient number, since it is larger than the sum of its proper divisors (39036331).

1444342841 is an equidigital number, since it uses as much as digits as its factorization.

1444342841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39036330.

The product of its digits is 49152, while the sum is 35.

The square root of 1444342841 is about 38004.5107980619. The cubic root of 1444342841 is about 1130.3773091963.

The spelling of 1444342841 in words is "one billion, four hundred forty-four million, three hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 37 39036293 1444342841