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1044439201 = 1380341477
BaseRepresentation
bin111110010000001…
…110000010100001
32200210022000020101
4332100032002201
54114334023301
6251345542401
734611405151
oct7620160241
92623260211
101044439201
114966166a3
12251944a01
131384c9480
149c9d8761
1561a5d701
hex3e40e0a1

1044439201 has 4 divisors (see below), whose sum is σ = 1124780692. Its totient is φ = 964097712.

The previous prime is 1044439163. The next prime is 1044439243. The reversal of 1044439201 is 1029344401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1029344401 = 4125105961.

It can be written as a sum of positive squares in 2 ways, for example, as 487526400 + 556912801 = 22080^2 + 23599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044439201 - 225 = 1010884769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044439201.

It is not an unprimeable number, because it can be changed into a prime (1044439271) 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, 40170726 + ... + 40170751.

It is an arithmetic number, because the mean of its divisors is an integer number (281195173).

Almost surely, 21044439201 is an apocalyptic number.

It is an amenable number.

1044439201 is a deficient number, since it is larger than the sum of its proper divisors (80341491).

1044439201 is an equidigital number, since it uses as much as digits as its factorization.

1044439201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80341490.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1044439201 is about 32317.7845930070. The cubic root of 1044439201 is about 1014.5989019182.

The spelling of 1044439201 in words is "one billion, forty-four million, four hundred thirty-nine thousand, two hundred one".

Divisors: 1 13 80341477 1044439201