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544409440 = 2558938231
BaseRepresentation
bin100000011100110…
…000011101100000
31101221101212100121
4200130300131200
52103332100230
6130004330024
716330255351
oct4034603540
91357355317
10544409440
1125a339963
121323a3914
1388a33983
1452435d28
1532bdb77a
hex20730760

544409440 has 48 divisors (see below), whose sum is σ = 1300652640. Its totient is φ = 215311360.

The previous prime is 544409423. The next prime is 544409449. The reversal of 544409440 is 44904445.

It is a super-2 number, since 2×5444094402 = 592763276722227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 544409396 and 544409405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544409449) 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 7 ways as a sum of consecutive naturals, for example, 4876 + ... + 33355.

It is an arithmetic number, because the mean of its divisors is an integer number (27096930).

Almost surely, 2544409440 is an apocalyptic number.

It is an amenable number.

544409440 is an abundant number, since it is smaller than the sum of its proper divisors (756243200).

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

544409440 is a wasteful number, since it uses less digits than its factorization.

544409440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38335 (or 38327 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 544409440 is about 23332.5832260382. The cubic root of 544409440 is about 816.5357720706.

The spelling of 544409440 in words is "five hundred forty-four million, four hundred nine thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 89 160 178 356 445 712 890 1424 1780 2848 3560 7120 14240 38231 76462 152924 191155 305848 382310 611696 764620 1223392 1529240 3058480 3402559 6116960 6805118 13610236 17012795 27220472 34025590 54440944 68051180 108881888 136102360 272204720 544409440