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162428 = 2275801
BaseRepresentation
bin100111101001111100
322020210212
4213221330
520144203
63251552
71244360
oct475174
9266725
10162428
11101042
1279bb8
1358c16
14432a0
15331d8
hex27a7c

162428 has 12 divisors (see below), whose sum is σ = 324912. Its totient is φ = 69600.

The previous prime is 162419. The next prime is 162439. The reversal of 162428 is 824261.

162428 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2873 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (27076).

2162428 is an apocalyptic number.

It is an amenable number.

162428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162428 is a wasteful number, since it uses less digits than its factorization.

162428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5810 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 162428 is about 403.0235725116. The cubic root of 162428 is about 54.5615834458.

Adding to 162428 its reverse (824261), we get a palindrome (986689).

The spelling of 162428 in words is "one hundred sixty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 5801 11602 23204 40607 81214 162428