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56291300 = 225213194353
BaseRepresentation
bin1101011010111…
…0111111100100
310220220220010222
43112232333210
5103402310200
65330303512
71252316402
oct326567744
9126826128
1056291300
112985853a
1216a27b98
13b87bb80
147694472
154e1dd85
hex35aefe4

56291300 has 144 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 18869760.

The previous prime is 56291297. The next prime is 56291303. The reversal of 56291300 is 319265.

It is an interprime number because it is at equal distance from previous prime (56291297) and next prime (56291303).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 56291300.

It is not an unprimeable number, because it can be changed into a prime (56291303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1062074 + ... + 1062126.

It is an arithmetic number, because the mean of its divisors is an integer number (1002540).

Almost surely, 256291300 is an apocalyptic number.

56291300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56291300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72182880).

56291300 is an abundant number, since it is smaller than the sum of its proper divisors (88074460).

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

56291300 is a wasteful number, since it uses less digits than its factorization.

56291300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 56291300 is about 7502.7528281292. The cubic root of 56291300 is about 383.2484668250.

The spelling of 56291300 in words is "fifty-six million, two hundred ninety-one thousand, three hundred".

Divisors: 1 2 4 5 10 13 19 20 25 26 38 43 50 52 53 65 76 86 95 100 106 130 172 190 212 215 247 260 265 325 380 430 475 494 530 559 650 689 817 860 950 988 1007 1060 1075 1118 1235 1300 1325 1378 1634 1900 2014 2150 2236 2279 2470 2650 2756 2795 3268 3445 4028 4085 4300 4558 4940 5035 5300 5590 6175 6890 8170 9116 10070 10621 11180 11395 12350 13091 13780 13975 16340 17225 20140 20425 21242 22790 24700 25175 26182 27950 29627 34450 40850 42484 43301 45580 50350 52364 53105 55900 56975 59254 65455 68900 81700 86602 100700 106210 113950 118508 130910 148135 173204 212420 216505 227900 261820 265525 296270 327275 433010 531050 562913 592540 654550 740675 866020 1062100 1082525 1125826 1309100 1481350 2165050 2251652 2814565 2962700 4330100 5629130 11258260 14072825 28145650 56291300