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444857334 = 2374142889
BaseRepresentation
bin11010100000111…
…111101111110110
31011000002002112120
4122200333233312
51402340413314
6112050500410
714011140105
oct3240775766
91130062476
10444857334
11209123999
12104b94706
1371218cbc
144312003c
15290c48a9
hex1a83fbf6

444857334 has 8 divisors (see below), whose sum is σ = 889714680. Its totient is φ = 148285776.

The previous prime is 444857311. The next prime is 444857351. The reversal of 444857334 is 433758444.

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

444857334 is an admirable number.

It is a super-2 number, since 2×4448573342 = 395796095227175112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 37071439 + ... + 37071450.

It is an arithmetic number, because the mean of its divisors is an integer number (111214335).

Almost surely, 2444857334 is an apocalyptic number.

444857334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444857334 is a wasteful number, since it uses less digits than its factorization.

444857334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74142894.

The product of its digits is 645120, while the sum is 42.

The square root of 444857334 is about 21091.6413301573. The cubic root of 444857334 is about 763.3790755034.

The spelling of 444857334 in words is "four hundred forty-four million, eight hundred fifty-seven thousand, three hundred thirty-four".

Divisors: 1 2 3 6 74142889 148285778 222428667 444857334