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20500848 = 24321959127
BaseRepresentation
bin100111000110…
…1000101110000
31102120112212200
41032031011300
520222011343
62011223200
7336153144
oct116150560
942515780
1020500848
1110632655
126a47b00
13432a3a4
142a19224
151bee4d3
hex138d170

20500848 has 120 divisors (see below), whose sum is σ = 61900800. Its totient is φ = 6314112.

The previous prime is 20500813. The next prime is 20500859. The reversal of 20500848 is 84800502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161361 + ... + 161487.

It is an arithmetic number, because the mean of its divisors is an integer number (515840).

Almost surely, 220500848 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 20500848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30950400).

20500848 is an abundant number, since it is smaller than the sum of its proper divisors (41399952).

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

20500848 is a wasteful number, since it uses less digits than its factorization.

20500848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 20500848 is about 4527.7862140344. The cubic root of 20500848 is about 273.6889574283.

The spelling of 20500848 in words is "twenty million, five hundred thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 59 72 76 114 118 127 144 152 171 177 228 236 254 304 342 354 381 456 472 508 531 684 708 762 912 944 1016 1062 1121 1143 1368 1416 1524 2032 2124 2242 2286 2413 2736 2832 3048 3363 4248 4484 4572 4826 6096 6726 7239 7493 8496 8968 9144 9652 10089 13452 14478 14986 17936 18288 19304 20178 21717 22479 26904 28956 29972 38608 40356 43434 44958 53808 57912 59944 67437 80712 86868 89916 115824 119888 134874 142367 161424 173736 179832 269748 284734 347472 359664 427101 539496 569468 854202 1078992 1138936 1281303 1708404 2277872 2562606 3416808 5125212 6833616 10250424 20500848