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44389401 = 372972889
BaseRepresentation
bin1010100101010…
…1010000011001
310002112012210220
42221111100121
542330430101
64223230253
71046206110
oct251252031
9102465726
1044389401
1123069461
1212a48389
139272724
145c76c77
153d6c636
hex2a55419

44389401 has 16 divisors (see below), whose sum is σ = 69974400. Its totient is φ = 24490368.

The previous prime is 44389393. The next prime is 44389439. The reversal of 44389401 is 10498344.

It is a happy number.

It is not a de Polignac number, because 44389401 - 23 = 44389393 is a prime.

It is a super-2 number, since 2×443894012 = 3940837842277602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44389801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35836 + ... + 37053.

It is an arithmetic number, because the mean of its divisors is an integer number (4373400).

Almost surely, 244389401 is an apocalyptic number.

It is an amenable number.

44389401 is a deficient number, since it is larger than the sum of its proper divisors (25584999).

44389401 is a wasteful number, since it uses less digits than its factorization.

44389401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72928.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 44389401 is about 6662.5371293525. The cubic root of 44389401 is about 354.0732316816.

The spelling of 44389401 in words is "forty-four million, three hundred eighty-nine thousand, four hundred one".

Divisors: 1 3 7 21 29 87 203 609 72889 218667 510223 1530669 2113781 6341343 14796467 44389401