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153189 = 3217021
BaseRepresentation
bin100101011001100101
321210010200
4211121211
514400224
63141113
71205421
oct453145
9253120
10153189
11a5103
1274799
135495a
143db81
15305c9
hex25665

153189 has 6 divisors (see below), whose sum is σ = 221286. Its totient is φ = 102120.

The previous prime is 153151. The next prime is 153191. The reversal of 153189 is 981351.

153189 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., 152100 + 1089 = 390^2 + 33^2 .

It is not a de Polignac number, because 153189 - 211 = 151141 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 153189.

It is not an unprimeable number, because it can be changed into a prime (153089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8502 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (36881).

2153189 is an apocalyptic number.

It is an amenable number.

153189 is a deficient number, since it is larger than the sum of its proper divisors (68097).

153189 is a wasteful number, since it uses less digits than its factorization.

153189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17027 (or 17024 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 153189 is about 391.3936637198. The cubic root of 153189 is about 53.5068265083.

The spelling of 153189 in words is "one hundred fifty-three thousand, one hundred eighty-nine".

Divisors: 1 3 9 17021 51063 153189