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444414871 = 4373101627
BaseRepresentation
bin11010011111010…
…011101110010111
31010222020121121001
4122133103232113
51402232233441
6112033204131
714004315115
oct3237235627
91128217531
10444414871
1120895151a
12104a00647
13710c27a4
1443046ab5
1529038731
hex1a7d3b97

444414871 has 4 divisors (see below), whose sum is σ = 444520872. Its totient is φ = 444308872.

The previous prime is 444414869. The next prime is 444414899. The reversal of 444414871 is 178414444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444414871 - 21 = 444414869 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 444414871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444414811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46441 + ... + 55186.

It is an arithmetic number, because the mean of its divisors is an integer number (111130218).

Almost surely, 2444414871 is an apocalyptic number.

444414871 is a deficient number, since it is larger than the sum of its proper divisors (106001).

444414871 is a wasteful number, since it uses less digits than its factorization.

444414871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106000.

The product of its digits is 57344, while the sum is 37.

The square root of 444414871 is about 21081.1496603008. The cubic root of 444414871 is about 763.1259014219.

The spelling of 444414871 in words is "four hundred forty-four million, four hundred fourteen thousand, eight hundred seventy-one".

Divisors: 1 4373 101627 444414871