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825435 = 325131783
BaseRepresentation
bin11001001100001011011
31112221021200
43021201123
5202403220
625405243
710005342
oct3114133
91487250
10825435
11514186
12339823
1322b930
14176b59
15114890
hexc985b

825435 has 48 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 377856.

The previous prime is 825421. The next prime is 825439. The reversal of 825435 is 534528.

825435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

825435 is an admirable number.

It is not a de Polignac number, because 825435 - 25 = 825403 is a prime.

825435 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 825399 and 825408.

It is not an unprimeable number, because it can be changed into a prime (825439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9904 + ... + 9986.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2825435 is an apocalyptic number.

825435 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

825435 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

825435 is a wasteful number, since it uses less digits than its factorization.

825435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 121 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 825435 is about 908.5345342913. The cubic root of 825435 is about 93.8053539769.

The spelling of 825435 in words is "eight hundred twenty-five thousand, four hundred thirty-five".

Divisors: 1 3 5 9 13 15 17 39 45 51 65 83 85 117 153 195 221 249 255 415 585 663 747 765 1079 1105 1245 1411 1989 3237 3315 3735 4233 5395 7055 9711 9945 12699 16185 18343 21165 48555 55029 63495 91715 165087 275145 825435