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8528255 = 53155021
BaseRepresentation
bin100000100010…
…000101111111
3121001021120022
4200202011333
54140401010
6502442355
7132326501
oct40420577
917037508
108528255
1148a544a
122a333bb
1319c7a08
1411bdd71
15b36d55
hex82217f

8528255 has 8 divisors (see below), whose sum is σ = 10564224. Its totient is φ = 6602400.

The previous prime is 8528243. The next prime is 8528257. The reversal of 8528255 is 5528258.

8528255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8528255 - 210 = 8527231 is a prime.

It is a super-2 number, since 2×85282552 = 145462266690050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8528257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27356 + ... + 27665.

It is an arithmetic number, because the mean of its divisors is an integer number (1320528).

Almost surely, 28528255 is an apocalyptic number.

8528255 is a deficient number, since it is larger than the sum of its proper divisors (2035969).

8528255 is a wasteful number, since it uses less digits than its factorization.

8528255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55057.

The product of its digits is 32000, while the sum is 35.

The square root of 8528255 is about 2920.3176197119. The cubic root of 8528255 is about 204.3086366907.

The spelling of 8528255 in words is "eight million, five hundred twenty-eight thousand, two hundred fifty-five".

Divisors: 1 5 31 155 55021 275105 1705651 8528255