Base | Representation |
---|---|
bin | 1000000111000… |
… | …00011110001100 |
3 | 11202000012021200 |
4 | 10003200132030 |
5 | 114403401200 |
6 | 10430025500 |
7 | 1454142144 |
oct | 403403614 |
9 | 152005250 |
10 | 68028300 |
11 | 3544473a |
12 | 1a948290 |
13 | 1112b242 |
14 | 906b924 |
15 | 5e8b800 |
hex | 40e078c |
68028300 has 108 divisors (see below), whose sum is σ = 215231016. Its totient is φ = 17971200.
The previous prime is 68028293. The next prime is 68028313. The reversal of 68028300 is 382086.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117612 + ... + 118188.
Almost surely, 268028300 is an apocalyptic number.
68028300 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 68028300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107615508).
68028300 is an abundant number, since it is smaller than the sum of its proper divisors (147202716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68028300 is a wasteful number, since it uses less digits than its factorization.
68028300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 728 (or 718 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 68028300 is about 8247.9270122862. The cubic root of 68028300 is about 408.2221252990. Note that the first 3 decimals are identical.
The spelling of 68028300 in words is "sixty-eight million, twenty-eight thousand, three hundred".
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