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1044442213 = 2345410531
BaseRepresentation
bin111110010000001…
…110110001100101
32200210022011100221
4332100032301211
54114334122323
6251350004341
734611420013
oct7620166145
92623264327
101044442213
11496618991
122519466b1
131384ca959
149c9d98b3
1561a5e55d
hex3e40ec65

1044442213 has 4 divisors (see below), whose sum is σ = 1089852768. Its totient is φ = 999031660.

The previous prime is 1044442181. The next prime is 1044442229. The reversal of 1044442213 is 3122444401.

1044442213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 1044442213 - 25 = 1044442181 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 (1044442613) 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, 22705243 + ... + 22705288.

It is an arithmetic number, because the mean of its divisors is an integer number (272463192).

Almost surely, 21044442213 is an apocalyptic number.

It is an amenable number.

1044442213 is a deficient number, since it is larger than the sum of its proper divisors (45410555).

1044442213 is an equidigital number, since it uses as much as digits as its factorization.

1044442213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45410554.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1044442213 is about 32317.8311927023. The cubic root of 1044442213 is about 1014.5998772323.

Adding to 1044442213 its reverse (3122444401), we get a palindrome (4166886614).

The spelling of 1044442213 in words is "one billion, forty-four million, four hundred forty-two thousand, two hundred thirteen".

Divisors: 1 23 45410531 1044442213