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5805440 = 27547193
BaseRepresentation
bin10110001001010110000000
3101220221120022
4112021112000
52441233230
6324233012
7100226324
oct26112600
911827508
105805440
113305793
121b3b768
131283594
14ab1984
1579a1e5
hex589580

5805440 has 64 divisors (see below), whose sum is σ = 14247360. Its totient is φ = 2260992.

The previous prime is 5805439. The next prime is 5805467. The reversal of 5805440 is 445085.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29984 + ... + 30176.

It is an arithmetic number, because the mean of its divisors is an integer number (222615).

Almost surely, 25805440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5805440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7123680).

5805440 is an abundant number, since it is smaller than the sum of its proper divisors (8441920).

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

5805440 is a wasteful number, since it uses less digits than its factorization.

5805440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 5805440 is about 2409.4480695794. The cubic root of 5805440 is about 179.7263331067.

The spelling of 5805440 in words is "five million, eight hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 193 235 320 376 386 470 640 752 772 940 965 1504 1544 1880 1930 3008 3088 3760 3860 6016 6176 7520 7720 9071 12352 15040 15440 18142 24704 30080 30880 36284 45355 61760 72568 90710 123520 145136 181420 290272 362840 580544 725680 1161088 1451360 2902720 5805440