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158163 = 352721
BaseRepresentation
bin100110100111010011
322000221220
4212213103
520030123
63220123
71226055
oct464723
9260856
10158163
11a8915
1277643
1356cb5
14418d5
1531ce3
hex269d3

158163 has 4 divisors (see below), whose sum is σ = 210888. Its totient is φ = 105440.

The previous prime is 158161. The next prime is 158189. The reversal of 158163 is 361851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158163 - 21 = 158161 is a prime.

It is a D-number.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158163.

It is not an unprimeable number, because it can be changed into a prime (158161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26358 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (52722).

2158163 is an apocalyptic number.

158163 is a deficient number, since it is larger than the sum of its proper divisors (52725).

158163 is an equidigital number, since it uses as much as digits as its factorization.

158163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52724.

The product of its digits is 720, while the sum is 24.

The square root of 158163 is about 397.6971209350. The cubic root of 158163 is about 54.0797860346.

The spelling of 158163 in words is "one hundred fifty-eight thousand, one hundred sixty-three".

Divisors: 1 3 52721 158163