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1000679868 = 223261455683
BaseRepresentation
bin111011101001010…
…010100110111100
32120201221210201100
4323221102212330
54022133223433
6243144013100
733540432006
oct7351224674
92521853640
101000679868
11473948661
1223b161190
1312c417786
1496c87376
155ccb7b13
hex3ba529bc

1000679868 has 36 divisors (see below), whose sum is σ = 2570969128. Its totient is φ = 328091040.

The previous prime is 1000679819. The next prime is 1000679873. The reversal of 1000679868 is 8689760001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 225646 + ... + 230037.

Almost surely, 21000679868 is an apocalyptic number.

1000679868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1000679868 is an abundant number, since it is smaller than the sum of its proper divisors (1570289260).

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

1000679868 is a wasteful number, since it uses less digits than its factorization.

1000679868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455754 (or 455749 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1000679868 is about 31633.5244321590. The cubic root of 1000679868 is about 1000.2265713282.

The spelling of 1000679868 in words is "one billion, six hundred seventy-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 455683 911366 1367049 1822732 2734098 4101147 5468196 8202294 16404588 27796663 55593326 83389989 111186652 166779978 250169967 333559956 500339934 1000679868