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56141280 = 25325132999
BaseRepresentation
bin1101011000101…
…0010111100000
310220122021100200
43112022113200
5103333010110
65323145200
71251123126
oct326122740
9126567320
1056141280
1129765858
1216975200
13b8287c0
147655916
154dde6c0
hex358a5e0

56141280 has 144 divisors (see below), whose sum is σ = 206388000. Its totient is φ = 13814784.

The previous prime is 56141269. The next prime is 56141297. The reversal of 56141280 is 8214165.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17221 + ... + 20219.

It is an arithmetic number, because the mean of its divisors is an integer number (1433250).

Almost surely, 256141280 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 56141280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103194000).

56141280 is an abundant number, since it is smaller than the sum of its proper divisors (150246720).

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

56141280 is a wasteful number, since it uses less digits than its factorization.

56141280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 56141280 is about 7492.7484943777. The cubic root of 56141280 is about 382.9077031743.

The spelling of 56141280 in words is "fifty-six million, one hundred forty-one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 180 195 208 234 240 260 288 312 360 390 416 468 480 520 585 624 720 780 936 1040 1170 1248 1440 1560 1872 2080 2340 2999 3120 3744 4680 5998 6240 8997 9360 11996 14995 17994 18720 23992 26991 29990 35988 38987 44985 47984 53982 59980 71976 77974 89970 95968 107964 116961 119960 134955 143952 155948 179940 194935 215928 233922 239920 269910 287904 311896 350883 359880 389870 431856 467844 479840 539820 584805 623792 701766 719760 779740 863712 935688 1079640 1169610 1247584 1403532 1439520 1559480 1754415 1871376 2159280 2339220 2807064 3118960 3508830 3742752 4318560 4678440 5614128 6237920 7017660 9356880 11228256 14035320 18713760 28070640 56141280