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8225005 = 51986579
BaseRepresentation
bin11111011000000011101101
3120110212120211
4133120003231
54101200010
6452142421
7126624415
oct37300355
916425524
108225005
114708628
122907a11
13191c989
141141645
15ac708a
hex7d80ed

8225005 has 8 divisors (see below), whose sum is σ = 10389600. Its totient is φ = 6233616.

The previous prime is 8225003. The next prime is 8225029. The reversal of 8225005 is 5005228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8225005 - 21 = 8225003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8225003) 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 7 ways as a sum of consecutive naturals, for example, 43195 + ... + 43384.

It is an arithmetic number, because the mean of its divisors is an integer number (1298700).

Almost surely, 28225005 is an apocalyptic number.

It is an amenable number.

8225005 is a deficient number, since it is larger than the sum of its proper divisors (2164595).

8225005 is a wasteful number, since it uses less digits than its factorization.

8225005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86603.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 8225005 is about 2867.9269516499. The cubic root of 8225005 is about 201.8577323906.

The spelling of 8225005 in words is "eight million, two hundred twenty-five thousand, five".

Divisors: 1 5 19 95 86579 432895 1645001 8225005