Base | Representation |
---|---|
bin | 1000000010011… |
… | …10100101010111 |
3 | 11200212211120221 |
4 | 10001032211113 |
5 | 114230240433 |
6 | 10405135211 |
7 | 1446103042 |
oct | 401164527 |
9 | 150784527 |
10 | 67430743 |
11 | 35076796 |
12 | 1a6ba507 |
13 | 10c7c263 |
14 | 8d53c59 |
15 | 5dbe72d |
hex | 404e957 |
67430743 has 8 divisors (see below), whose sum is σ = 68739840. Its totient is φ = 66130680.
The previous prime is 67430719. The next prime is 67430801. The reversal of 67430743 is 34703476.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 67430743 - 217 = 67299671 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 67430699 and 67430708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67430443) 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, 13908 + ... + 18118.
It is an arithmetic number, because the mean of its divisors is an integer number (8592480).
Almost surely, 267430743 is an apocalyptic number.
67430743 is a deficient number, since it is larger than the sum of its proper divisors (1309097).
67430743 is a wasteful number, since it uses less digits than its factorization.
67430743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4517.
The product of its (nonzero) digits is 42336, while the sum is 34.
The square root of 67430743 is about 8211.6224340869. The cubic root of 67430743 is about 407.0233411909.
The spelling of 67430743 in words is "sixty-seven million, four hundred thirty thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •