| Base | Representation |
|---|---|
| bin | 100001011100011… |
| … | …110101010111000 |
| 3 | 1110002211112102000 |
| 4 | 201130132222320 |
| 5 | 2122121120114 |
| 6 | 131402341000 |
| 7 | 16622250150 |
| oct | 4134365270 |
| 9 | 1402745360 |
| 10 | 561113784 |
| 11 | 268809100 |
| 12 | 137aba760 |
| 13 | 8c331cba |
| 14 | 54743760 |
| 15 | 343dae09 |
| hex | 2171eab8 |
561113784 has 192 divisors, whose sum is σ = 1958611200. Its totient is φ = 145696320.
The previous prime is 561113759. The next prime is 561113789. The reversal of 561113784 is 487311165.
561113784 is a `hidden beast` number, since 5 + 611 + 1 + 37 + 8 + 4 = 666.
561113784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (561113789) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181419 + ... + 184485.
It is an arithmetic number, because the mean of its divisors is an integer number (10201100).
Almost surely, 2561113784 is an apocalyptic number.
561113784 is a gapful number since it is divisible by the number (54) 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 561113784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979305600).
561113784 is an abundant number, since it is smaller than the sum of its proper divisors (1397497416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
561113784 is a wasteful number, since it uses less digits than its factorization.
561113784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3111 (or 3090 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 561113784 is about 23687.8404249944. The cubic root of 561113784 is about 824.8031530356.
It can be divided in two parts, 56111 and 3784, that added together give a palindrome (59895).
The spelling of 561113784 in words is "five hundred sixty-one million, one hundred thirteen thousand, seven hundred eighty-four".
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