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444711013 = 1687926347
BaseRepresentation
bin11010100000011…
…100000001100101
31010222210122211021
4122200130001211
51402321223023
6112043411141
714006660365
oct3240340145
91128718737
10444711013
11209033a6a
12104b23ab1
1371197516
14430c29a5
152909635d
hex1a81c065

444711013 has 4 divisors (see below), whose sum is σ = 444754240. Its totient is φ = 444667788.

The previous prime is 444710983. The next prime is 444711019. The reversal of 444711013 is 310117444.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 444711013 - 213 = 444702821 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 (444711019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3706 + ... + 30052.

It is an arithmetic number, because the mean of its divisors is an integer number (111188560).

Almost surely, 2444711013 is an apocalyptic number.

It is an amenable number.

444711013 is a deficient number, since it is larger than the sum of its proper divisors (43227).

444711013 is a wasteful number, since it uses less digits than its factorization.

444711013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43226.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 444711013 is about 21088.1723484991. The cubic root of 444711013 is about 763.2953702869.

Adding to 444711013 its reverse (310117444), we get a palindrome (754828457).

The spelling of 444711013 in words is "four hundred forty-four million, seven hundred eleven thousand, thirteen".

Divisors: 1 16879 26347 444711013