Base | Representation |
---|---|
bin | 1000000101100… |
… | …10011011000010 |
3 | 11201122121112211 |
4 | 10002302123002 |
5 | 114331332212 |
6 | 10422012334 |
7 | 1452425221 |
oct | 402623302 |
9 | 151577484 |
10 | 67839682 |
11 | 35325a59 |
12 | 1a8770aa |
13 | 11093431 |
14 | 901ccb8 |
15 | 5e509a7 |
hex | 40b26c2 |
67839682 has 8 divisors (see below), whose sum is σ = 103679676. Its totient is φ = 33279792.
The previous prime is 67839677. The next prime is 67839683. The reversal of 67839682 is 28693876.
It can be written as a sum of positive squares in 2 ways, for example, as 61136761 + 6702921 = 7819^2 + 2589^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×678396822 = 9204444907722248, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (67839683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319893 + ... + 320104.
Almost surely, 267839682 is an apocalyptic number.
67839682 is a deficient number, since it is larger than the sum of its proper divisors (35839994).
67839682 is a wasteful number, since it uses less digits than its factorization.
67839682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 640052.
The product of its digits is 870912, while the sum is 49.
The square root of 67839682 is about 8236.4848084605. The cubic root of 67839682 is about 407.8444917099.
The spelling of 67839682 in words is "sixty-seven million, eight hundred thirty-nine thousand, six hundred eighty-two".
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