Base | Representation |
---|---|
bin | 1000000111010… |
… | …10110011001000 |
3 | 11202002100022100 |
4 | 10003222303020 |
5 | 114411224400 |
6 | 10430553400 |
7 | 1454406363 |
oct | 403526310 |
9 | 152070270 |
10 | 68070600 |
11 | 354734a4 |
12 | 1a968860 |
13 | 11144580 |
14 | 907d0da |
15 | 5e99100 |
hex | 40eacc8 |
68070600 has 144 divisors (see below), whose sum is σ = 246273300. Its totient is φ = 16750080.
The previous prime is 68070599. The next prime is 68070697. The reversal of 68070600 is 607086.
It can be written as a sum of positive squares in 6 ways, for example, as 25220484 + 42850116 = 5022^2 + 6546^2 .
It is a zygodrome in base 5.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21946 + ... + 24854.
Almost surely, 268070600 is an apocalyptic number.
68070600 is a gapful number since it is divisible by the number (60) 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 68070600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123136650).
68070600 is an abundant number, since it is smaller than the sum of its proper divisors (178202700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68070600 is a wasteful number, since it uses less digits than its factorization.
68070600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2944 (or 2932 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 68070600 is about 8250.4908944862. The cubic root of 68070600 is about 408.3067186133.
Adding to 68070600 its reverse (607086), we get a palindrome (68677686).
The spelling of 68070600 in words is "sixty-eight million, seventy thousand, six hundred".
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