Search a number
-
+
528172 = 22235741
BaseRepresentation
bin10000000111100101100
3222211111221
42000330230
5113400142
615153124
74326601
oct2007454
9884457
10528172
11330907
122157a4
13156538
14da6a8
15a6767
hex80f2c

528172 has 12 divisors (see below), whose sum is σ = 964656. Its totient is φ = 252560.

The previous prime is 528167. The next prime is 528191. The reversal of 528172 is 271825.

It is a super-3 number, since 3×5281723 = 442025554230433344, which contains 333 as substring.

It is an unprimeable number.

528172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2528172 is an apocalyptic number.

It is an amenable number.

528172 is a deficient number, since it is larger than the sum of its proper divisors (436484).

528172 is a wasteful number, since it uses less digits than its factorization.

528172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768 (or 5766 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 528172 is about 726.7544289511. The cubic root of 528172 is about 80.8335758900.

Adding to 528172 its reverse (271825), we get a palindrome (799997).

The spelling of 528172 in words is "five hundred twenty-eight thousand, one hundred seventy-two".

Divisors: 1 2 4 23 46 92 5741 11482 22964 132043 264086 528172