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44012405 = 5173116703
BaseRepresentation
bin1010011111100…
…1001101110101
310001211001200002
42213321031311
542231344110
64211201045
71043046023
oct247711565
9101731602
1044012405
1122931198
12128a6185
13916cc58
145bb9713
153ce5aa5
hex29f9375

44012405 has 16 divisors (see below), whose sum is σ = 57729024. Its totient is φ = 32067840.

The previous prime is 44012389. The next prime is 44012429. The reversal of 44012405 is 50421044.

It is not a de Polignac number, because 44012405 - 24 = 44012389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5717 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (3608064).

Almost surely, 244012405 is an apocalyptic number.

It is an amenable number.

44012405 is a deficient number, since it is larger than the sum of its proper divisors (13716619).

44012405 is a wasteful number, since it uses less digits than its factorization.

44012405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 44012405 is about 6634.1845768715. The cubic root of 44012405 is about 353.0680076660.

Adding to 44012405 its reverse (50421044), we get a palindrome (94433449).

The spelling of 44012405 in words is "forty-four million, twelve thousand, four hundred five".

Divisors: 1 5 17 31 85 155 527 2635 16703 83515 283951 517793 1419755 2588965 8802481 44012405