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44022013 = 754711497
BaseRepresentation
bin1010011111101…
…1100011111101
310001211112211221
42213323203331
542232201023
64211313341
71043116030
oct247734375
9101745757
1044022013
1122938432
12128ab851
139174439
145bbd017
153ce885d
hex29fb8fd

44022013 has 8 divisors (see below), whose sum is σ = 50407232. Its totient is φ = 37660896.

The previous prime is 44022001. The next prime is 44022049. The reversal of 44022013 is 31022044.

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

It is not a de Polignac number, because 44022013 - 217 = 43890941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44022313) 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, 1920 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (6300904).

Almost surely, 244022013 is an apocalyptic number.

It is an amenable number.

44022013 is a deficient number, since it is larger than the sum of its proper divisors (6385219).

44022013 is a wasteful number, since it uses less digits than its factorization.

44022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 44022013 is about 6634.9086655356. The cubic root of 44022013 is about 353.0936976247.

Adding to 44022013 its reverse (31022044), we get a palindrome (75044057).

The spelling of 44022013 in words is "forty-four million, twenty-two thousand, thirteen".

Divisors: 1 7 547 3829 11497 80479 6288859 44022013