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44428479 = 3192333889
BaseRepresentation
bin1010100101111…
…0110010111111
310002121012102020
42221132302333
542333202404
64224131223
71046431044
oct251366277
9102535366
1044428479
1123095857
1212a66b13
139287454
145c871cb
153d78ed9
hex2a5ecbf

44428479 has 16 divisors (see below), whose sum is σ = 65068800. Its totient is φ = 26839296.

The previous prime is 44428471. The next prime is 44428499. The reversal of 44428479 is 97482444.

It is a happy number.

It is not a de Polignac number, because 44428479 - 23 = 44428471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44428479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44428471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15634 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (4066800).

Almost surely, 244428479 is an apocalyptic number.

44428479 is a deficient number, since it is larger than the sum of its proper divisors (20640321).

44428479 is a wasteful number, since it uses less digits than its factorization.

44428479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33934.

The product of its digits is 258048, while the sum is 42.

The square root of 44428479 is about 6665.4691507800. The cubic root of 44428479 is about 354.1771034402.

It can be divided in two parts, 4442 and 8479, that added together give a palindrome (12921).

The spelling of 44428479 in words is "forty-four million, four hundred twenty-eight thousand, four hundred seventy-nine".

Divisors: 1 3 19 23 57 69 437 1311 33889 101667 643891 779447 1931673 2338341 14809493 44428479