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1000330825 = 52133977753
BaseRepresentation
bin111011100111111…
…101011001001001
32120201022001220211
4323213331121021
54022041041300
6243132321121
733534446254
oct7347753111
92521261824
101000330825
1147372a39a
1223b0131a1
1312c324940
1496bd609b
155cc494ba
hex3b9fd649

1000330825 has 24 divisors (see below), whose sum is σ = 1339363928. Its totient is φ = 736750080.

The previous prime is 1000330819. The next prime is 1000330841. The reversal of 1000330825 is 5280330001.

It can be written as a sum of positive squares in 12 ways, for example, as 78783376 + 921547449 = 8876^2 + 30357^2 .

It is not a de Polignac number, because 1000330825 - 29 = 1000330313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000330796 and 1000330805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125149 + ... + 132901.

Almost surely, 21000330825 is an apocalyptic number.

It is an amenable number.

1000330825 is a deficient number, since it is larger than the sum of its proper divisors (339033103).

1000330825 is a wasteful number, since it uses less digits than its factorization.

1000330825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173 (or 8168 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1000330825 is about 31628.0069716699. The cubic root of 1000330825 is about 1000.1102628417.

Adding to 1000330825 its reverse (5280330001), we get a palindrome (6280660826).

The spelling of 1000330825 in words is "one billion, three hundred thirty thousand, eight hundred twenty-five".

Divisors: 1 5 13 25 65 325 397 1985 5161 7753 9925 25805 38765 100789 129025 193825 503945 2519725 3077941 15389705 40013233 76948525 200066165 1000330825