Base | Representation |
---|---|
bin | 1111111111100… |
… | …1010000011010 |
3 | 11200020002011110 |
4 | 3333321100122 |
5 | 114133044432 |
6 | 10353441150 |
7 | 1443116064 |
oct | 377712032 |
9 | 150202143 |
10 | 67081242 |
11 | 34958148 |
12 | 1a5701b6 |
13 | 10b89157 |
14 | 8ca2734 |
15 | 5d50dcc |
hex | 3ff941a |
67081242 has 8 divisors (see below), whose sum is σ = 134162496. Its totient is φ = 22360412.
The previous prime is 67081237. The next prime is 67081243. The reversal of 67081242 is 24218076.
It is a sphenic number, since it is the product of 3 distinct primes.
67081242 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (67081243) 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, 5590098 + ... + 5590109.
It is an arithmetic number, because the mean of its divisors is an integer number (16770312).
Almost surely, 267081242 is an apocalyptic number.
67081242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67081242 is a wasteful number, since it uses less digits than its factorization.
67081242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11180212.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 67081242 is about 8190.3139133979. The cubic root of 67081242 is about 406.3189070650.
The spelling of 67081242 in words is "sixty-seven million, eighty-one thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •