Base | Representation |
---|---|
bin | 100001111001101… |
… | …110011001011100 |
3 | 1110122021001000000 |
4 | 201321232121130 |
5 | 2131101433010 |
6 | 132234534300 |
7 | 20044360560 |
oct | 4171563134 |
9 | 1418231000 |
10 | 568780380 |
11 | 272075133 |
12 | 13a597390 |
13 | 90ab774c |
14 | 5577b6a0 |
15 | 34e027c0 |
hex | 21e6e65c |
568780380 has 168 divisors, whose sum is σ = 2047040352. Its totient is φ = 129983616.
The previous prime is 568780367. The next prime is 568780411. The reversal of 568780380 is 83087865.
568780380 is a `hidden beast` number, since 568 + 7 + 8 + 0 + 3 + 80 = 666.
It is a super-2 number, since 2×5687803802 = 647022241345888800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 99274 + ... + 104846.
It is an arithmetic number, because the mean of its divisors is an integer number (12184764).
Almost surely, 2568780380 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 568780380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023520176).
568780380 is an abundant number, since it is smaller than the sum of its proper divisors (1478259972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
568780380 is a wasteful number, since it uses less digits than its factorization.
568780380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5607 (or 5590 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 568780380 is about 23849.1169647851. The cubic root of 568780380 is about 828.5426499545.
The spelling of 568780380 in words is "five hundred sixty-eight million, seven hundred eighty thousand, three hundred eighty".
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