| Base | Representation |
|---|---|
| bin | 110011100011101… |
| … | …001000101110000 |
| 3 | 2020021121121100200 |
| 4 | 303203221011300 |
| 5 | 3232413400420 |
| 6 | 221455315200 |
| 7 | 30302135355 |
| oct | 6343510560 |
| 9 | 2207547320 |
| 10 | 864981360 |
| 11 | 404294331 |
| 12 | 20181bb00 |
| 13 | 10a2852b9 |
| 14 | 82c4262c |
| 15 | 50e10b90 |
| hex | 338e9170 |
864981360 has 120 divisors (see below), whose sum is σ = 2919976800. Its totient is φ = 229464576.
The previous prime is 864981317. The next prime is 864981361. The reversal of 864981360 is 63189468.
It is a tau number, because it is divible by the number of its divisors (120).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (864981361) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140262 + ... + 146298.
It is an arithmetic number, because the mean of its divisors is an integer number (24333140).
Almost surely, 2864981360 is an apocalyptic number.
864981360 is a gapful number since it is divisible by the number (80) 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 864981360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459988400).
864981360 is an abundant number, since it is smaller than the sum of its proper divisors (2054995440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
864981360 is a wasteful number, since it uses less digits than its factorization.
864981360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6255 (or 6246 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 864981360 is about 29410.5654484915. The cubic root of 864981360 is about 952.8010993437.
It can be divided in two parts, 8649 and 81360, that added together give a palindrome (90009).
The spelling of 864981360 in words is "eight hundred sixty-four million, nine hundred eighty-one thousand, three hundred sixty".
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