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158344 = 2319793
BaseRepresentation
bin100110101010001000
322001012121
4212222020
520031334
63221024
71226434
oct465210
9261177
10158344
11a8a6a
1277774
13570c4
14419c4
1531db4
hex26a88

158344 has 8 divisors (see below), whose sum is σ = 296910. Its totient is φ = 79168.

The previous prime is 158341. The next prime is 158351. The reversal of 158344 is 443851.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 44100 = 338^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9889 + ... + 9904.

2158344 is an apocalyptic number.

It is an amenable number.

158344 is a deficient number, since it is larger than the sum of its proper divisors (138566).

158344 is a wasteful number, since it uses less digits than its factorization.

158344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19799 (or 19795 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 158344 is about 397.9246159764. The cubic root of 158344 is about 54.1004076079.

It can be divided in two parts, 15834 and 4, that multiplied together give a palindrome (63336).

The spelling of 158344 in words is "one hundred fifty-eight thousand, three hundred forty-four".

Divisors: 1 2 4 8 19793 39586 79172 158344