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8088028880 = 245101100361
BaseRepresentation
bin1111000100001010…
…11000011011010000
3202212200001102211012
413202011120123100
5113031013411010
63414322310052
7404300053061
oct74205303320
922780042735
108088028880
113480532898
1216987b8328
139bb854b09
1456a260568
153250d8005
hex1e21586d0

8088028880 has 20 divisors (see below), whose sum is σ = 18804667332. Its totient is φ = 3235211520.

The previous prime is 8088028849. The next prime is 8088028931. The reversal of 8088028880 is 888208808.

It can be written as a sum of positive squares in 2 ways, for example, as 2122629184 + 5965399696 = 46072^2 + 77236^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×80880288802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50550101 + ... + 50550260.

Almost surely, 28088028880 is an apocalyptic number.

8088028880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8088028880 is an abundant number, since it is smaller than the sum of its proper divisors (10716638452).

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

8088028880 is a wasteful number, since it uses less digits than its factorization.

8088028880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101100374 (or 101100368 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 50.

The square root of 8088028880 is about 89933.4691869495. The cubic root of 8088028880 is about 2007.3089967452.

The spelling of 8088028880 in words is "eight billion, eighty-eight million, twenty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101100361 202200722 404401444 505501805 808802888 1011003610 1617605776 2022007220 4044014440 8088028880