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885128 = 23110641
BaseRepresentation
bin11011000000110001000
31122222011112
43120012020
5211311003
630545452
710344356
oct3300610
91588145
10885128
11555012
12368288
1324cb5a
141907d6
151273d8
hexd8188

885128 has 8 divisors (see below), whose sum is σ = 1659630. Its totient is φ = 442560.

The previous prime is 885127. The next prime is 885133. The reversal of 885128 is 821588.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 114244 = 878^2 + 338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 885094 and 885103.

It is not an unprimeable number, because it can be changed into a prime (885127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55313 + ... + 55328.

2885128 is an apocalyptic number.

It is an amenable number.

885128 is a deficient number, since it is larger than the sum of its proper divisors (774502).

885128 is a wasteful number, since it uses less digits than its factorization.

885128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110647 (or 110643 counting only the distinct ones).

The product of its digits is 5120, while the sum is 32.

The square root of 885128 is about 940.8124148841. The cubic root of 885128 is about 96.0141761473.

The spelling of 885128 in words is "eight hundred eighty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 110641 221282 442564 885128