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1444827707 = 9714895131
BaseRepresentation
bin101011000011110…
…0101001000111011
310201200200212000022
41112013211020323
510424333441312
6355211401055
750542555451
oct12607451073
93650625008
101444827707
11681627494
12343a5318b
131a044584b
14d9c609d1
1586c9c172
hex561e523b

1444827707 has 4 divisors (see below), whose sum is σ = 1459722936. Its totient is φ = 1429932480.

The previous prime is 1444827701. The next prime is 1444827733. The reversal of 1444827707 is 7077284441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7077284441 = 7989585879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1444827707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444827701) 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, 7447469 + ... + 7447662.

It is an arithmetic number, because the mean of its divisors is an integer number (364930734).

Almost surely, 21444827707 is an apocalyptic number.

1444827707 is a deficient number, since it is larger than the sum of its proper divisors (14895229).

1444827707 is an equidigital number, since it uses as much as digits as its factorization.

1444827707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14895228.

The product of its (nonzero) digits is 351232, while the sum is 44.

The square root of 1444827707 is about 38010.8893213511. The cubic root of 1444827707 is about 1130.5037842940.

The spelling of 1444827707 in words is "one billion, four hundred forty-four million, eight hundred twenty-seven thousand, seven hundred seven".

Divisors: 1 97 14895131 1444827707