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528023 = 3117033
BaseRepresentation
bin10000000111010010111
3222211022102
42000322113
5113344043
615152315
74326266
oct2007227
9884272
10528023
11330791
1221569b
13156452
14da5dd
15a66b8
hex80e97

528023 has 4 divisors (see below), whose sum is σ = 545088. Its totient is φ = 510960.

The previous prime is 528013. The next prime is 528041. The reversal of 528023 is 320825.

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 528023 - 212 = 523927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 527986 and 528004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528013) 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, 8486 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (136272).

2528023 is an apocalyptic number.

528023 is a deficient number, since it is larger than the sum of its proper divisors (17065).

528023 is a wasteful number, since it uses less digits than its factorization.

528023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17064.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 528023 is about 726.6519111652. The cubic root of 528023 is about 80.8259739878.

Adding to 528023 its reverse (320825), we get a palindrome (848848).

The spelling of 528023 in words is "five hundred twenty-eight thousand, twenty-three".

Divisors: 1 31 17033 528023