Base | Representation |
---|---|
bin | 1000000001000… |
… | …00110001111010 |
3 | 11200112022020022 |
4 | 10000200301322 |
5 | 114203240010 |
6 | 10401130442 |
7 | 1444362053 |
oct | 400406172 |
9 | 150468208 |
10 | 67243130 |
11 | 34a58839 |
12 | 1a629a22 |
13 | 10c14a46 |
14 | 8d0572a |
15 | 5d83d55 |
hex | 4020c7a |
67243130 has 16 divisors (see below), whose sum is σ = 121668264. Its totient is φ = 26757120.
The previous prime is 67243117. The next prime is 67243133. The reversal of 67243130 is 3134276.
It can be written as a sum of positive squares in 4 ways, for example, as 32821441 + 34421689 = 5729^2 + 5867^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 67243130.
It is not an unprimeable number, because it can be changed into a prime (67243133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15491 + ... + 19350.
Almost surely, 267243130 is an apocalyptic number.
67243130 is a deficient number, since it is larger than the sum of its proper divisors (54425134).
67243130 is a wasteful number, since it uses less digits than its factorization.
67243130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35041.
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 67243130 is about 8200.1908514375. The cubic root of 67243130 is about 406.6455026461.
The spelling of 67243130 in words is "sixty-seven million, two hundred forty-three thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •