Base | Representation |
---|---|
bin | 1000000010011… |
… | …01011110101000 |
3 | 11200212121101021 |
4 | 10001031132220 |
5 | 114230114331 |
6 | 10405102224 |
7 | 1446053614 |
oct | 401153650 |
9 | 150777337 |
10 | 67426216 |
11 | 35073350 |
12 | 1a6b7974 |
13 | 10c7a190 |
14 | 8d52344 |
15 | 5dbd211 |
hex | 404d7a8 |
67426216 has 64 divisors (see below), whose sum is σ = 157308480. Its totient is φ = 26618880.
The previous prime is 67426213. The next prime is 67426223. The reversal of 67426216 is 61262476.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is not an unprimeable number, because it can be changed into a prime (67426213) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 17715 + ... + 21181.
It is an arithmetic number, because the mean of its divisors is an integer number (2457945).
Almost surely, 267426216 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 67426216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78654240).
67426216 is an abundant number, since it is smaller than the sum of its proper divisors (89882264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67426216 is a wasteful number, since it uses less digits than its factorization.
67426216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3514 (or 3510 counting only the distinct ones).
The product of its digits is 24192, while the sum is 34.
The square root of 67426216 is about 8211.3467835672. The cubic root of 67426216 is about 407.0142324084.
The spelling of 67426216 in words is "sixty-seven million, four hundred twenty-six thousand, two hundred sixteen".
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