Base | Representation |
---|---|
bin | 1000000010000… |
… | …10011111010001 |
3 | 11200210022122001 |
4 | 10001002133101 |
5 | 114222144301 |
6 | 10404114001 |
7 | 1445505436 |
oct | 401023721 |
9 | 150708561 |
10 | 67381201 |
11 | 35042548 |
12 | 1a695901 |
13 | 10c62844 |
14 | 8d3db8d |
15 | 5daec01 |
hex | 40427d1 |
67381201 has 16 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 62370000.
The previous prime is 67381187. The next prime is 67381211. The reversal of 67381201 is 10218376.
It is a cyclic number.
It is not a de Polignac number, because 67381201 - 215 = 67348433 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67381201.
It is not an unprimeable number, because it can be changed into a prime (67381211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268326 + ... + 268576.
It is an arithmetic number, because the mean of its divisors is an integer number (4536000).
Almost surely, 267381201 is an apocalyptic number.
It is an amenable number.
67381201 is a deficient number, since it is larger than the sum of its proper divisors (5194799).
67381201 is a wasteful number, since it uses less digits than its factorization.
67381201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 67381201 is about 8208.6053017550. The cubic root of 67381201 is about 406.9236354785.
Adding to 67381201 its reverse (10218376), we get a palindrome (77599577).
The spelling of 67381201 in words is "sixty-seven million, three hundred eighty-one thousand, two hundred one".
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