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168884 = 2242221
BaseRepresentation
bin101001001110110100
322120122222
4221032310
520401014
63341512
71302242
oct511664
9276588
10168884
11105981
1281898
135bb41
1445792
153508e
hex293b4

168884 has 6 divisors (see below), whose sum is σ = 295554. Its totient is φ = 84440.

The previous prime is 168869. The next prime is 168887. The reversal of 168884 is 488861.

168884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 784 = 410^2 + 28^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21107 + ... + 21114.

It is an arithmetic number, because the mean of its divisors is an integer number (49259).

2168884 is an apocalyptic number.

It is an amenable number.

168884 is a deficient number, since it is larger than the sum of its proper divisors (126670).

168884 is a wasteful number, since it uses less digits than its factorization.

168884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42225 (or 42223 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 168884 is about 410.9549853694. The cubic root of 168884 is about 55.2750955792.

The spelling of 168884 in words is "one hundred sixty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 42221 84442 168884