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56075140 = 22511254887
BaseRepresentation
bin1101010111101…
…0001110000100
310220111220122001
43111322032010
5103323401030
65321515044
71250426242
oct325721604
9126456561
1056075140
11297200a0
1216942a84
13b804674
147639792
154dc9cca
hex357a384

56075140 has 24 divisors (see below), whose sum is σ = 128463552. Its totient is φ = 20390880.

The previous prime is 56075111. The next prime is 56075141. The reversal of 56075140 is 4157065.

56075140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56075099 and 56075108.

It is not an unprimeable number, because it can be changed into a prime (56075141) 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 7 ways as a sum of consecutive naturals, for example, 127224 + ... + 127663.

It is an arithmetic number, because the mean of its divisors is an integer number (5352648).

Almost surely, 256075140 is an apocalyptic number.

It is an amenable number.

56075140 is an abundant number, since it is smaller than the sum of its proper divisors (72388412).

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

56075140 is a wasteful number, since it uses less digits than its factorization.

56075140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254907 (or 254905 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 56075140 is about 7488.3335929965. Note that the first 3 decimals coincide. The cubic root of 56075140 is about 382.7572763266.

The spelling of 56075140 in words is "fifty-six million, seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 254887 509774 1019548 1274435 2548870 2803757 5097740 5607514 11215028 14018785 28037570 56075140