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444000199 = 1259352661
BaseRepresentation
bin11010011101101…
…110011111000111
31010221110112202211
4122131232133013
51402131001244
6112020244251
714000640136
oct3235563707
91127415684
10444000199
11208698a15
12104840687
1370ca8b16
1442d7991d
1528ea5934
hex1a76e7c7

444000199 has 4 divisors (see below), whose sum is σ = 444354120. Its totient is φ = 443646280.

The previous prime is 444000181. The next prime is 444000209. The reversal of 444000199 is 991000444.

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 444000199 - 213 = 443992007 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 444000199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444000299) 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, 175072 + ... + 177589.

It is an arithmetic number, because the mean of its divisors is an integer number (111088530).

Almost surely, 2444000199 is an apocalyptic number.

444000199 is a deficient number, since it is larger than the sum of its proper divisors (353921).

444000199 is a wasteful number, since it uses less digits than its factorization.

444000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353920.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 444000199 is about 21071.3122277660. The cubic root of 444000199 is about 762.8884765604. Note that the first 3 decimals are identical.

The spelling of 444000199 in words is "four hundred forty-four million, one hundred ninety-nine", and thus it is an aban number.

Divisors: 1 1259 352661 444000199