Search a number
-
+
528260 = 22561433
BaseRepresentation
bin10000000111110000100
3222211122012
42000332010
5113401020
615153352
74330055
oct2007604
9884565
10528260
11330987
12215858
131565a5
14da72c
15a67c5
hex80f84

528260 has 24 divisors (see below), whose sum is σ = 1130136. Its totient is φ = 207360.

The previous prime is 528247. The next prime is 528263. The reversal of 528260 is 62825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 506944 = 146^2 + 712^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528260.

It is not an unprimeable number, because it can be changed into a prime (528263) by changing a digit.

528260 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 1004 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (47089).

2528260 is an apocalyptic number.

It is an amenable number.

528260 is an abundant number, since it is smaller than the sum of its proper divisors (601876).

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

528260 is a wasteful number, since it uses less digits than its factorization.

528260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 528260 is about 726.8149695762. The cubic root of 528260 is about 80.8380649325.

The spelling of 528260 in words is "five hundred twenty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 433 610 866 1220 1732 2165 4330 8660 26413 52826 105652 132065 264130 528260