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540444044 = 22719301573
BaseRepresentation
bin100000001101101…
…000010110001100
31101122221101212002
4200031220112030
52101323202134
6125343331432
716251461420
oct4015502614
91348841762
10540444044
11258080678
12130bb0b78
1387c75a9a
1451ac2b80
15326a687e
hex2036858c

540444044 has 12 divisors (see below), whose sum is σ = 1080888144. Its totient is φ = 231618864.

The previous prime is 540444017. The next prime is 540444061. The reversal of 540444044 is 440444045.

540444044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 540443998 and 540444016.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9650759 + ... + 9650814.

It is an arithmetic number, because the mean of its divisors is an integer number (90074012).

Almost surely, 2540444044 is an apocalyptic number.

It is an amenable number.

540444044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540444044 is a wasteful number, since it uses less digits than its factorization.

540444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19301584 (or 19301582 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 540444044 is about 23247.4524195663. The cubic root of 540444044 is about 814.5484313909.

Adding to 540444044 its reverse (440444045), we get a palindrome (980888089).

Subtracting from 540444044 its reverse (440444045), we obtain a palindrome (99999999).

The spelling of 540444044 in words is "five hundred forty million, four hundred forty-four thousand, forty-four".

Divisors: 1 2 4 7 14 28 19301573 38603146 77206292 135111011 270222022 540444044