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800250078 = 231720633803
BaseRepresentation
bin101111101100101…
…101100011011110
32001202210220201210
4233230231203132
53114331000303
6211224045250
725555004415
oct5754554336
92052726653
10800250078
113807a1801
121a4003826
13c9a3c974
14783d247c
154a3c6203
hex2fb2d8de

800250078 has 32 divisors (see below), whose sum is σ = 1695914496. Its totient is φ = 250871168.

The previous prime is 800250053. The next prime is 800250083. The reversal of 800250078 is 870052008.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 208525 + ... + 212327.

It is an arithmetic number, because the mean of its divisors is an integer number (52997328).

Almost surely, 2800250078 is an apocalyptic number.

800250078 is an abundant number, since it is smaller than the sum of its proper divisors (895664418).

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

800250078 is a wasteful number, since it uses less digits than its factorization.

800250078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 800250078 is about 28288.6916982741. The cubic root of 800250078 is about 928.4144865828.

The spelling of 800250078 in words is "eight hundred million, two hundred fifty thousand, seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 2063 3803 4126 6189 7606 11409 12378 22818 35071 64651 70142 105213 129302 193953 210426 387906 7845589 15691178 23536767 47073534 133375013 266750026 400125039 800250078