Base | Representation |
---|---|
bin | 1000000110011… |
… | …00101001010101 |
3 | 11201212001220000 |
4 | 10003030221111 |
5 | 114343301333 |
6 | 10424201513 |
7 | 1453353324 |
oct | 403145125 |
9 | 151761800 |
10 | 67947093 |
11 | 35399725 |
12 | 1a909299 |
13 | 111002a6 |
14 | 904a0bb |
15 | 5e72713 |
hex | 40cca55 |
67947093 has 10 divisors (see below), whose sum is σ = 101501334. Its totient is φ = 45298008.
The previous prime is 67947091. The next prime is 67947119. The reversal of 67947093 is 39074976.
It can be written as a sum of positive squares in only one way, i.e., 39463524 + 28483569 = 6282^2 + 5337^2 .
It is not a de Polignac number, because 67947093 - 21 = 67947091 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67947091) 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 9 ways as a sum of consecutive naturals, for example, 419346 + ... + 419507.
Almost surely, 267947093 is an apocalyptic number.
It is an amenable number.
67947093 is a deficient number, since it is larger than the sum of its proper divisors (33554241).
67947093 is an equidigital number, since it uses as much as digits as its factorization.
67947093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 838865 (or 838856 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The square root of 67947093 is about 8243.0026689308. The cubic root of 67947093 is about 408.0596258013.
The spelling of 67947093 in words is "sixty-seven million, nine hundred forty-seven thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •