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821302482 = 2371113267157
BaseRepresentation
bin110000111101000…
…001010011010010
32010020102111012110
4300331001103102
53140223134412
6213255210150
726231645610
oct6075012322
92106374173
10821302482
11391670790
121ab076956
13101201100
147b1126b0
154c183d3c
hex30f414d2

821302482 has 192 divisors, whose sum is σ = 2265007104. Its totient is φ = 192741120.

The previous prime is 821302481. The next prime is 821302567. The reversal of 821302482 is 284203128.

It is not an unprimeable number, because it can be changed into a prime (821302481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5231148 + ... + 5231304.

It is an arithmetic number, because the mean of its divisors is an integer number (11796912).

Almost surely, 2821302482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 821302482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132503552).

821302482 is an abundant number, since it is smaller than the sum of its proper divisors (1443704622).

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

821302482 is a wasteful number, since it uses less digits than its factorization.

821302482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 821302482 is about 28658.3754249957. The cubic root of 821302482 is about 936.4854734654.

It can be divided in two parts, 821 and 302482, that added together give a palindrome (303303).

The spelling of 821302482 in words is "eight hundred twenty-one million, three hundred two thousand, four hundred eighty-two".