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528325 = 5273019
BaseRepresentation
bin10000000111111000101
3222211201121
42000333011
5113401300
615153541
74330210
oct2007705
9884647
10528325
11330a36
122158b1
13156625
14da777
15a681a
hex80fc5

528325 has 12 divisors (see below), whose sum is σ = 748960. Its totient is φ = 362160.

The previous prime is 528317. The next prime is 528329. The reversal of 528325 is 523825.

528325 = 912 + 922 + ... + 1322.

It is not a de Polignac number, because 528325 - 23 = 528317 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 53 + 25 + 35 + 83 + 219 + 55 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 528325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1335 + ... + 1684.

2528325 is an apocalyptic number.

It is an amenable number.

528325 is a deficient number, since it is larger than the sum of its proper divisors (220635).

528325 is a wasteful number, since it uses less digits than its factorization.

528325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 3031 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 528325 is about 726.8596838455. The cubic root of 528325 is about 80.8413803824.

The spelling of 528325 in words is "five hundred twenty-eight thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 3019 15095 21133 75475 105665 528325