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80825068 = 22831371777
BaseRepresentation
bin1001101000101…
…00101011101100
312122002100011001
410310110223230
5131142400233
612004210044
72001000412
oct464245354
9178070131
1080825068
1141695085
1223099924
131398baac
14aa3d2b2
15716827d
hex4d14aec

80825068 has 24 divisors (see below), whose sum is σ = 144274032. Its totient is φ = 39611904.

The previous prime is 80825039. The next prime is 80825077. The reversal of 80825068 is 86052808.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44596 + ... + 46372.

It is an arithmetic number, because the mean of its divisors is an integer number (6011418).

Almost surely, 280825068 is an apocalyptic number.

It is an amenable number.

80825068 is a deficient number, since it is larger than the sum of its proper divisors (63448964).

80825068 is a wasteful number, since it uses less digits than its factorization.

80825068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 80825068 is about 8990.2763027618. The cubic root of 80825068 is about 432.3631705443.

The spelling of 80825068 in words is "eighty million, eight hundred twenty-five thousand, sixty-eight".

Divisors: 1 2 4 83 137 166 274 332 548 1777 3554 7108 11371 22742 45484 147491 243449 294982 486898 589964 973796 20206267 40412534 80825068