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44019857 = 761103091
BaseRepresentation
bin1010011111101…
…1000010010001
310001211102220002
42213323002101
542232113412
64211255345
71043106530
oct247730221
9101742802
1044019857
1122936852
12128aa555
13917346b
145bbc317
153ce7dc2
hex29fb091

44019857 has 8 divisors (see below), whose sum is σ = 51133632. Its totient is φ = 37112400.

The previous prime is 44019823. The next prime is 44019863. The reversal of 44019857 is 75891044.

44019857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44019857 - 26 = 44019793 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 44019857.

It is not an unprimeable number, because it can be changed into a prime (44019457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51119 + ... + 51972.

It is an arithmetic number, because the mean of its divisors is an integer number (6391704).

Almost surely, 244019857 is an apocalyptic number.

It is an amenable number.

44019857 is a deficient number, since it is larger than the sum of its proper divisors (7113775).

44019857 is a wasteful number, since it uses less digits than its factorization.

44019857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103159.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 44019857 is about 6634.7461895690. The cubic root of 44019857 is about 353.0879332174.

The spelling of 44019857 in words is "forty-four million, nineteen thousand, eight hundred fifty-seven".

Divisors: 1 7 61 427 103091 721637 6288551 44019857