Base | Representation |
---|---|
bin | 100000011000000… |
… | …1101000111111000 |
3 | 2210201012202010022 |
4 | 1000300031013320 |
5 | 4211103102423 |
6 | 255444510012 |
7 | 35631031136 |
oct | 10060150770 |
9 | 2721182108 |
10 | 1086378488 |
11 | 508261268 |
12 | 2639ab308 |
13 | 1440c1910 |
14 | a43d4756 |
15 | 65594dc8 |
hex | 40c0d1f8 |
1086378488 has 64 divisors (see below), whose sum is σ = 2255336160. Its totient is φ = 487420416.
The previous prime is 1086378479. The next prime is 1086378493. The reversal of 1086378488 is 8848736801.
It is a happy number.
It is a super-2 number, since 2×10863784882 = 2360436438378332288, which 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 15 ways as a sum of consecutive naturals, for example, 1238306 + ... + 1239182.
Almost surely, 21086378488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1086378488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127668080).
1086378488 is an abundant number, since it is smaller than the sum of its proper divisors (1168957672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1086378488 is a wasteful number, since it uses less digits than its factorization.
1086378488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1216 (or 1212 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 53.
The square root of 1086378488 is about 32960.2561883248. The cubic root of 1086378488 is about 1028.0014307540.
The spelling of 1086378488 in words is "one billion, eighty-six million, three hundred seventy-eight thousand, four hundred eighty-eight".
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