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830525 = 52139239
BaseRepresentation
bin11001010110000111101
31120012021012
43022300331
5203034100
625445005
710026233
oct3126075
91505235
10830525
11517a93
12340765
13231047
14178953
15116135
hexcac3d

830525 has 12 divisors (see below), whose sum is σ = 1041600. Its totient is φ = 656880.

The previous prime is 830513. The next prime is 830549. The reversal of 830525 is 525038.

It is not a de Polignac number, because 830525 - 210 = 829501 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 830525.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3356 + ... + 3594.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

2830525 is an apocalyptic number.

It is an amenable number.

830525 is a deficient number, since it is larger than the sum of its proper divisors (211075).

830525 is a wasteful number, since it uses less digits than its factorization.

830525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 830525 is about 911.3314435484. The cubic root of 830525 is about 93.9977742041.

The spelling of 830525 in words is "eight hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 139 239 695 1195 3475 5975 33221 166105 830525