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828625 = 537947
BaseRepresentation
bin11001010010011010001
31120002122211
43022103101
5203004000
625432121
710020550
oct3122321
91502584
10828625
11516616
1233b641
13230215
14177d97
151157ba
hexca4d1

828625 has 16 divisors (see below), whose sum is σ = 1183104. Its totient is φ = 567600.

The previous prime is 828601. The next prime is 828637. The reversal of 828625 is 526828.

It is not a de Polignac number, because 828625 - 217 = 697553 is a prime.

It is a d-powerful number, because it can be written as 85 + 210 + 65 + 86 + 219 + 54 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (73944).

2828625 is an apocalyptic number.

It is an amenable number.

828625 is a deficient number, since it is larger than the sum of its proper divisors (354479).

828625 is an equidigital number, since it uses as much as digits as its factorization.

828625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 959 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 828625 is about 910.2884158331. The cubic root of 828625 is about 93.9260396041.

The spelling of 828625 in words is "eight hundred twenty-eight thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 947 4735 6629 23675 33145 118375 165725 828625