Base | Representation |
---|---|
bin | 1000000000101… |
… | …11000010010000 |
3 | 11200110021111000 |
4 | 10000113002100 |
5 | 114201000331 |
6 | 10400222000 |
7 | 1444134513 |
oct | 400270220 |
9 | 150407430 |
10 | 67203216 |
11 | 34a30853 |
12 | 1a60a900 |
13 | 10bcc822 |
14 | 8cd4d7a |
15 | 5d770e6 |
hex | 4017090 |
67203216 has 80 divisors (see below), whose sum is σ = 195632320. Its totient is φ = 22083840.
The previous prime is 67203181. The next prime is 67203229. The reversal of 67203216 is 61230276.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 67203216.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30471 + ... + 32601.
It is an arithmetic number, because the mean of its divisors is an integer number (2445404).
Almost surely, 267203216 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 67203216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97816160).
67203216 is an abundant number, since it is smaller than the sum of its proper divisors (128429104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67203216 is a wasteful number, since it uses less digits than its factorization.
67203216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2221 (or 2209 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 67203216 is about 8197.7567663355. The cubic root of 67203216 is about 406.5650281992.
The spelling of 67203216 in words is "sixty-seven million, two hundred three thousand, two hundred sixteen".
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