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8250080 = 25551563
BaseRepresentation
bin11111011110001011100000
3120112010222112
4133132023200
54103000310
6452454452
7130060466
oct37361340
916463875
108250080
114725453
12291a428
13192b207
14114a836
15ace705
hex7de2e0

8250080 has 24 divisors (see below), whose sum is σ = 19491192. Its totient is φ = 3299968.

The previous prime is 8250079. The next prime is 8250089. The reversal of 8250080 is 800528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8250089) 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 3 ways as a sum of consecutive naturals, for example, 25622 + ... + 25941.

It is an arithmetic number, because the mean of its divisors is an integer number (812133).

Almost surely, 28250080 is an apocalyptic number.

8250080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8250080 is an abundant number, since it is smaller than the sum of its proper divisors (11241112).

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

8250080 is a wasteful number, since it uses less digits than its factorization.

8250080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51578 (or 51570 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 8250080 is about 2872.2952494477. The cubic root of 8250080 is about 202.0626541587.

The spelling of 8250080 in words is "eight million, two hundred fifty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 51563 103126 206252 257815 412504 515630 825008 1031260 1650016 2062520 4125040 8250080