Base | Representation |
---|---|
bin | 1000000000100… |
… | …01111001000001 |
3 | 11200102012120121 |
4 | 10000101321001 |
5 | 114144312040 |
6 | 10355540241 |
7 | 1444016212 |
oct | 400217101 |
9 | 150365517 |
10 | 67182145 |
11 | 34a16a38 |
12 | 1a5ba681 |
13 | 10bc3064 |
14 | 8ccb409 |
15 | 5d70c4a |
hex | 4011e41 |
67182145 has 8 divisors (see below), whose sum is σ = 80789760. Its totient is φ = 53631600.
The previous prime is 67182133. The next prime is 67182169. The reversal of 67182145 is 54128176.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-67182145 is a prime.
It is a super-4 number, since 4×671821454 (a number of 32 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 67182145.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11631 + ... + 16420.
It is an arithmetic number, because the mean of its divisors is an integer number (10098720).
Almost surely, 267182145 is an apocalyptic number.
It is an amenable number.
67182145 is a deficient number, since it is larger than the sum of its proper divisors (13607615).
67182145 is a wasteful number, since it uses less digits than its factorization.
67182145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28535.
The product of its digits is 13440, while the sum is 34.
The square root of 67182145 is about 8196.4714969309. The cubic root of 67182145 is about 406.5225320821.
The spelling of 67182145 in words is "sixty-seven million, one hundred eighty-two thousand, one hundred forty-five".
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