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8528403 = 313218677
BaseRepresentation
bin100000100010…
…001000010011
3121001021202210
4200202020103
54140402103
6502443203
7132330102
oct40421023
917037683
108528403
1148a5574
122a33503
1319c7ac0
1411c0039
15b36e03
hex822213

8528403 has 8 divisors (see below), whose sum is σ = 12245968. Its totient is φ = 5248224.

The previous prime is 8528383. The next prime is 8528411. The reversal of 8528403 is 3048258.

8528403 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 8528403 - 217 = 8397331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8528483) by changing a digit.

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, 109300 + ... + 109377.

It is an arithmetic number, because the mean of its divisors is an integer number (1530746).

Almost surely, 28528403 is an apocalyptic number.

8528403 is a deficient number, since it is larger than the sum of its proper divisors (3717565).

8528403 is a wasteful number, since it uses less digits than its factorization.

8528403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218693.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 8528403 is about 2920.3429593115. The cubic root of 8528403 is about 204.3098185465.

It can be divided in two parts, 8 and 528403, that multiplied together give a palindrome (4227224).

The spelling of 8528403 in words is "eight million, five hundred twenty-eight thousand, four hundred three".

Divisors: 1 3 13 39 218677 656031 2842801 8528403