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82830925 = 523313237
BaseRepresentation
bin1001110111111…
…10011001001101
312202212020200001
410323332121031
5132201042200
612115204301
72024023402
oct473763115
9182766601
1082830925
1142835111
12238a6691
1314211aa8
14b0022a9
15741276a
hex4efe64d

82830925 has 6 divisors (see below), whose sum is σ = 102710378. Its totient is φ = 66264720.

The previous prime is 82830911. The next prime is 82830941. The reversal of 82830925 is 52903828.

It can be written as a sum of positive squares in 3 ways, for example, as 12489156 + 70341769 = 3534^2 + 8387^2 .

It is not a de Polignac number, because 82830925 - 29 = 82830413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1656594 + ... + 1656643.

Almost surely, 282830925 is an apocalyptic number.

It is an amenable number.

82830925 is a deficient number, since it is larger than the sum of its proper divisors (19879453).

82830925 is a wasteful number, since it uses less digits than its factorization.

82830925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313247 (or 3313242 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 82830925 is about 9101.1496526538. The cubic root of 82830925 is about 435.9106741928.

The spelling of 82830925 in words is "eighty-two million, eight hundred thirty thousand, nine hundred twenty-five".

Divisors: 1 5 25 3313237 16566185 82830925