| Base | Representation |
|---|---|
| bin | 100001111101000… |
| … | …0010000011100000 |
| 3 | 2221101202201220200 |
| 4 | 1003322002003200 |
| 5 | 4313124124430 |
| 6 | 305014505200 |
| 7 | 40142526141 |
| oct | 10372020340 |
| 9 | 2841681820 |
| 10 | 1139286240 |
| 11 | 535108684 |
| 12 | 279665200 |
| 13 | 152057691 |
| 14 | ab447ac8 |
| 15 | 6a046460 |
| hex | 43e820e0 |
1139286240 has 144 divisors (see below), whose sum is σ = 3993077088. Its totient is φ = 295584768.
The previous prime is 1139286217. The next prime is 1139286259. The reversal of 1139286240 is 426829311.
1139286240 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 28 + 624 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1139286195 and 1139286204.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42589 + ... + 63971.
It is an arithmetic number, because the mean of its divisors is an integer number (27729702).
Almost surely, 21139286240 is an apocalyptic number.
1139286240 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 1139286240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996538544).
1139286240 is an abundant number, since it is smaller than the sum of its proper divisors (2853790848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1139286240 is a wasteful number, since it uses less digits than its factorization.
1139286240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21441 (or 21430 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 1139286240 is about 33753.3145039121. The cubic root of 1139286240 is about 1044.4258622853.
The spelling of 1139286240 in words is "one billion, one hundred thirty-nine million, two hundred eighty-six thousand, two hundred forty".
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