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44742871 = 51478693
BaseRepresentation
bin1010101010101…
…1100011010111
310010012011200101
42222223203113
542423232441
64234554531
71052210455
oct252534327
9103164611
1044742871
112328aa88
1212b98a47
139367594
145d299d5
153ddc231
hex2aab8d7

44742871 has 4 divisors (see below), whose sum is σ = 44756712. Its totient is φ = 44729032.

The previous prime is 44742869. The next prime is 44742883. The reversal of 44742871 is 17824744.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 44742871 - 21 = 44742869 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 44742871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44742821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (11189178).

Almost surely, 244742871 is an apocalyptic number.

44742871 is a deficient number, since it is larger than the sum of its proper divisors (13841).

44742871 is an equidigital number, since it uses as much as digits as its factorization.

44742871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840.

The product of its digits is 50176, while the sum is 37.

The square root of 44742871 is about 6689.0112124289. The cubic root of 44742871 is about 355.0105690168.

The spelling of 44742871 in words is "forty-four million, seven hundred forty-two thousand, eight hundred seventy-one".

Divisors: 1 5147 8693 44742871