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808285550 = 25223230559
BaseRepresentation
bin110000001011010…
…111010101101110
32002022221011022212
4300023113111232
53123410114200
6212112210422
726013212432
oct6013272556
92068834285
10808285550
1138528a996
121a6839a12
13cb5c4297
14794c49c2
154ae62035
hex302d756e

808285550 has 36 divisors (see below), whose sum is σ = 1571670240. Its totient is φ = 309246960.

The previous prime is 808285493. The next prime is 808285559. The reversal of 808285550 is 55582808.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 808285498 and 808285507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808285559) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11171 + ... + 41729.

Almost surely, 2808285550 is an apocalyptic number.

808285550 is a deficient number, since it is larger than the sum of its proper divisors (763384690).

808285550 is a wasteful number, since it uses less digits than its factorization.

808285550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30617 (or 30589 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 808285550 is about 28430.3631703853. The cubic root of 808285550 is about 931.5116088580.

The spelling of 808285550 in words is "eight hundred eight million, two hundred eighty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 529 575 1058 1150 2645 5290 13225 26450 30559 61118 152795 305590 702857 763975 1405714 1527950 3514285 7028570 16165711 17571425 32331422 35142850 80828555 161657110 404142775 808285550