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444730319 = 11172378237
BaseRepresentation
bin11010100000100…
…000101111001111
31010222211122022022
4122200200233033
51402322332234
6112044040355
714010100565
oct3240405717
91128748268
10444730319
11209047520
12104b330bb
13711a3247
14430c9a35
152909be2e
hex1a820bcf

444730319 has 8 divisors (see below), whose sum is σ = 513699408. Its totient is φ = 380517760.

The previous prime is 444730313. The next prime is 444730327. The reversal of 444730319 is 913037444.

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 444730319 - 24 = 444730303 is a prime.

It is a super-2 number, since 2×4447303192 = 395570113275683522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444730313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188932 + ... + 1189305.

It is an arithmetic number, because the mean of its divisors is an integer number (64212426).

Almost surely, 2444730319 is an apocalyptic number.

444730319 is a deficient number, since it is larger than the sum of its proper divisors (68969089).

444730319 is a wasteful number, since it uses less digits than its factorization.

444730319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378265.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 444730319 is about 21088.6300882727. The cubic root of 444730319 is about 763.3064156375.

The spelling of 444730319 in words is "four hundred forty-four million, seven hundred thirty thousand, three hundred nineteen".

Divisors: 1 11 17 187 2378237 26160607 40430029 444730319