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158223 = 3134057
BaseRepresentation
bin100110101000001111
322001001010
4212220033
520030343
63220303
71226202
oct465017
9261033
10158223
11a896a
1277693
1357030
1441939
1531d33
hex26a0f

158223 has 8 divisors (see below), whose sum is σ = 227248. Its totient is φ = 97344.

The previous prime is 158209. The next prime is 158227. The reversal of 158223 is 322851.

158223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158223 - 212 = 154127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (28406).

2158223 is an apocalyptic number.

158223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

158223 is a deficient number, since it is larger than the sum of its proper divisors (69025).

158223 is a wasteful number, since it uses less digits than its factorization.

158223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073.

The product of its digits is 480, while the sum is 21.

The square root of 158223 is about 397.7725480724. The cubic root of 158223 is about 54.0866236577.

The spelling of 158223 in words is "one hundred fifty-eight thousand, two hundred twenty-three".

Divisors: 1 3 13 39 4057 12171 52741 158223