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444668005 = 5118774923
BaseRepresentation
bin11010100000010…
…001100001100101
31010222201110211101
4122200101201211
51402313334010
6112042440101
714006421115
oct3240214145
91128643741
10444668005
11209004721
12104b03031
1371180a82
14430b1045
152908873a
hex1a811865

444668005 has 8 divisors (see below), whose sum is σ = 534058272. Its totient is φ = 355429968.

The previous prime is 444667973. The next prime is 444668009. The reversal of 444668005 is 500866444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444668005 - 25 = 444667973 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 (444668009) 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 7 ways as a sum of consecutive naturals, for example, 31527 + ... + 43396.

It is an arithmetic number, because the mean of its divisors is an integer number (66757284).

Almost surely, 2444668005 is an apocalyptic number.

It is an amenable number.

444668005 is a deficient number, since it is larger than the sum of its proper divisors (89390267).

444668005 is a wasteful number, since it uses less digits than its factorization.

444668005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76115.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 444668005 is about 21087.1526053187. The cubic root of 444668005 is about 763.2707633964.

The spelling of 444668005 in words is "four hundred forty-four million, six hundred sixty-eight thousand, five".

Divisors: 1 5 1187 5935 74923 374615 88933601 444668005