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56243000 = 2353115113
BaseRepresentation
bin1101011010001…
…1001100111000
310220211102220002
43112203030320
5103344234000
65325252132
71252025522
oct326431470
9126742802
1056243000
1129825220
1216a04048
13b862ba8
147680a12
154e0e8d5
hex35a3338

56243000 has 64 divisors (see below), whose sum is σ = 143601120. Its totient is φ = 20448000.

The previous prime is 56242999. The next prime is 56243003. The reversal of 56243000 is 34265.

56243000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56243003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8444 + ... + 13556.

Almost surely, 256243000 is an apocalyptic number.

56243000 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 56243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71800560).

56243000 is an abundant number, since it is smaller than the sum of its proper divisors (87358120).

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

56243000 is a wasteful number, since it uses less digits than its factorization.

56243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 56243000 is about 7499.5333188139. The cubic root of 56243000 is about 383.1388217122.

Adding to 56243000 its reverse (34265), we get a palindrome (56277265).

The spelling of 56243000 in words is "fifty-six million, two hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5113 5500 10226 11000 20452 25565 40904 51130 56243 102260 112486 127825 204520 224972 255650 281215 449944 511300 562430 639125 1022600 1124860 1278250 1406075 2249720 2556500 2812150 5113000 5624300 7030375 11248600 14060750 28121500 56243000