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2827404140 = 2251112851837
BaseRepresentation
bin1010100010000110…
…1100001101101100
321022001021000022212
42220201230031230
521242303413030
61144321025552
7130031352521
oct25041541554
97261230285
102827404140
111220aa5640
1266aa852b8
13360a03802
141cb719148
1511834e595
hexa886c36c

2827404140 has 24 divisors (see below), whose sum is σ = 6477326352. Its totient is φ = 1028146880.

The previous prime is 2827404119. The next prime is 2827404149. The reversal of 2827404140 is 414047282.

It is a junction number, because it is equal to n+sod(n) for n = 2827404097 and 2827404106.

It is not an unprimeable number, because it can be changed into a prime (2827404149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6425699 + ... + 6426138.

It is an arithmetic number, because the mean of its divisors is an integer number (269888598).

Almost surely, 22827404140 is an apocalyptic number.

2827404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2827404140 is an abundant number, since it is smaller than the sum of its proper divisors (3649922212).

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

2827404140 is a wasteful number, since it uses less digits than its factorization.

2827404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12851857 (or 12851855 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 2827404140 is about 53173.3405006682. The cubic root of 2827404140 is about 1414.0430443561.

The spelling of 2827404140 in words is "two billion, eight hundred twenty-seven million, four hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 12851837 25703674 51407348 64259185 128518370 141370207 257036740 282740414 565480828 706851035 1413702070 2827404140