Base | Representation |
---|---|
bin | 1000001010111… |
… | …10111011001010 |
3 | 11202222111210000 |
4 | 10011132323022 |
5 | 120021440000 |
6 | 10445103430 |
7 | 1461430203 |
oct | 405367312 |
9 | 152874700 |
10 | 68546250 |
11 | 357688a3 |
12 | 1ab57b76 |
13 | 1127cc16 |
14 | 91645aa |
15 | 6040000 |
hex | 415eeca |
68546250 has 100 divisors (see below), whose sum is σ = 192215034. Its totient is φ = 18252000.
The previous prime is 68546209. The next prime is 68546251. The reversal of 68546250 is 5264586.
68546250 is a `hidden beast` number, since 68 + 546 + 2 + 50 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 13682601 + 54863649 = 3699^2 + 7407^2 .
It is not an unprimeable number, because it can be changed into a prime (68546251) by changing a digit.
It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 100912 + ... + 101588.
Almost surely, 268546250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68546250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96107517).
68546250 is an abundant number, since it is smaller than the sum of its proper divisors (123668784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68546250 is an equidigital number, since it uses as much as digits as its factorization.
68546250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711 (or 687 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 68546250 is about 8279.2662718383. The cubic root of 68546250 is about 409.2555397993.
The spelling of 68546250 in words is "sixty-eight million, five hundred forty-six thousand, two hundred fifty".
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