Base | Representation |
---|---|
bin | 1000000101111… |
… | …11110111010111 |
3 | 11201202102002010 |
4 | 10002333313113 |
5 | 114340112433 |
6 | 10423115303 |
7 | 1453044600 |
oct | 402776727 |
9 | 151672063 |
10 | 67894743 |
11 | 35363364 |
12 | 1a8a2b33 |
13 | 110b2507 |
14 | 9034da7 |
15 | 5e61e63 |
hex | 40bfdd7 |
67894743 has 48 divisors (see below), whose sum is σ = 111366144. Its totient is φ = 36630720.
The previous prime is 67894711. The next prime is 67894751. The reversal of 67894743 is 34749876.
It is a happy number.
It is not a de Polignac number, because 67894743 - 25 = 67894711 is a prime.
It is a super-4 number, since 4×678947434 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 67894692 and 67894701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67894943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214021 + ... + 214337.
It is an arithmetic number, because the mean of its divisors is an integer number (2320128).
Almost surely, 267894743 is an apocalyptic number.
67894743 is a deficient number, since it is larger than the sum of its proper divisors (43471401).
67894743 is a wasteful number, since it uses less digits than its factorization.
67894743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412 (or 405 counting only the distinct ones).
The product of its digits is 1016064, while the sum is 48.
The square root of 67894743 is about 8239.8266365258. The cubic root of 67894743 is about 407.9548020386.
The spelling of 67894743 in words is "sixty-seven million, eight hundred ninety-four thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •