| Base | Representation |
|---|---|
| bin | 110011010111100… |
| … | …010111010100000 |
| 3 | 2020001122111112100 |
| 4 | 303113202322200 |
| 5 | 3231110412321 |
| 6 | 221303330400 |
| 7 | 30233160402 |
| oct | 6327427240 |
| 9 | 2201574470 |
| 10 | 861810336 |
| 11 | 402518952 |
| 12 | 200750a00 |
| 13 | 109714b5a |
| 14 | 82658b72 |
| 15 | 509d6326 |
| hex | 335e2ea0 |
861810336 has 72 divisors (see below), whose sum is σ = 2463761664. Its totient is φ = 285747840.
The previous prime is 861810329. The next prime is 861810337. The reversal of 861810336 is 633018168.
861810336 is a `hidden beast` number, since 8 + 618 + 1 + 0 + 3 + 36 = 666.
861810336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 861810336.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (861810337) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47175 + ... + 62841.
It is an arithmetic number, because the mean of its divisors is an integer number (34218912).
Almost surely, 2861810336 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 861810336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231880832).
861810336 is an abundant number, since it is smaller than the sum of its proper divisors (1601951328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
861810336 is a wasteful number, since it uses less digits than its factorization.
861810336 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15874 (or 15863 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 861810336 is about 29356.6063433770. The cubic root of 861810336 is about 951.6353498336.
The spelling of 861810336 in words is "eight hundred sixty-one million, eight hundred ten thousand, three hundred thirty-six".
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