Base | Representation |
---|---|
bin | 1000001011000… |
… | …11101101011100 |
3 | 11210000111200000 |
4 | 10011203231130 |
5 | 120023101402 |
6 | 10445334300 |
7 | 1461541305 |
oct | 405435534 |
9 | 153014600 |
10 | 68565852 |
11 | 357815a3 |
12 | 1ab67390 |
13 | 11288b14 |
14 | 916b7ac |
15 | 6045c1c |
hex | 4163b5c |
68565852 has 72 divisors (see below), whose sum is σ = 187614336. Its totient is φ = 21854448.
The previous prime is 68565841. The next prime is 68565853. The reversal of 68565852 is 25856586.
68565852 is a `hidden beast` number, since 6 + 8 + 565 + 85 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 68565798 and 68565807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68565853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20823 + ... + 23889.
Almost surely, 268565852 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 68565852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93807168).
68565852 is an abundant number, since it is smaller than the sum of its proper divisors (119048484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68565852 is a wasteful number, since it uses less digits than its factorization.
68565852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3109 (or 3095 counting only the distinct ones).
The product of its digits is 576000, while the sum is 45.
The square root of 68565852 is about 8280.4499877724. The cubic root of 68565852 is about 409.2945473429.
The spelling of 68565852 in words is "sixty-eight million, five hundred sixty-five thousand, eight hundred fifty-two".
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