Base | Representation |
---|---|
bin | 100000010111111… |
… | …0110001101100000 |
3 | 2210201000222101110 |
4 | 1000233312031200 |
5 | 4211042102030 |
6 | 255442503320 |
7 | 35630160420 |
oct | 10057661540 |
9 | 2721028343 |
10 | 1086284640 |
11 | 5081a7801 |
12 | 263964b40 |
13 | 14408ac9c |
14 | a43ac480 |
15 | 655771b0 |
hex | 40bf6360 |
1086284640 has 192 divisors, whose sum is σ = 4037160960. Its totient is φ = 240261120.
The previous prime is 1086284579. The next prime is 1086284653. The reversal of 1086284640 is 464826801.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98946 + ... + 109374.
It is an arithmetic number, because the mean of its divisors is an integer number (21026880).
Almost surely, 21086284640 is an apocalyptic number.
1086284640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1086284640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2018580480).
1086284640 is an abundant number, since it is smaller than the sum of its proper divisors (2950876320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1086284640 is a wasteful number, since it uses less digits than its factorization.
1086284640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10485 (or 10477 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 1086284640 is about 32958.8325035945. The cubic root of 1086284640 is about 1027.9718282236.
The spelling of 1086284640 in words is "one billion, eighty-six million, two hundred eighty-four thousand, six hundred forty".
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