Search a number
-
+
162137 = 281577
BaseRepresentation
bin100111100101011001
322020102002
4213211121
520142022
63250345
71243463
oct474531
9266362
10162137
111008a8
12799b5
1358a51
1443133
1533092
hex27959

162137 has 4 divisors (see below), whose sum is σ = 162996. Its totient is φ = 161280.

The previous prime is 162119. The next prime is 162143. The reversal of 162137 is 731261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 143641 + 18496 = 379^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 162137 - 28 = 161881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162937) 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, 8 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (40749).

2162137 is an apocalyptic number.

It is an amenable number.

162137 is a deficient number, since it is larger than the sum of its proper divisors (859).

162137 is an equidigital number, since it uses as much as digits as its factorization.

162137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 252, while the sum is 20.

The square root of 162137 is about 402.6623896020. The cubic root of 162137 is about 54.5289804626.

Adding to 162137 its reverse (731261), we get a palindrome (893398).

The spelling of 162137 in words is "one hundred sixty-two thousand, one hundred thirty-seven".

Divisors: 1 281 577 162137