Base | Representation |
---|---|
bin | 1000000110000… |
… | …00010101000010 |
3 | 11201202111200110 |
4 | 10003000111002 |
5 | 114340143032 |
6 | 10423132150 |
7 | 1453053252 |
oct | 403002502 |
9 | 151674613 |
10 | 67896642 |
11 | 35364830 |
12 | 1a8a4056 |
13 | 110b3338 |
14 | 9035962 |
15 | 5e627cc |
hex | 40c0542 |
67896642 has 16 divisors (see below), whose sum is σ = 148138272. Its totient is φ = 20574720.
The previous prime is 67896637. The next prime is 67896649. The reversal of 67896642 is 24669876.
It is a junction number, because it is equal to n+sod(n) for n = 67896591 and 67896600.
It is not an unprimeable number, because it can be changed into a prime (67896649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514303 + ... + 514434.
It is an arithmetic number, because the mean of its divisors is an integer number (9258642).
Almost surely, 267896642 is an apocalyptic number.
67896642 is an abundant number, since it is smaller than the sum of its proper divisors (80241630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67896642 is a wasteful number, since it uses less digits than its factorization.
67896642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1028753.
The product of its digits is 870912, while the sum is 48.
The square root of 67896642 is about 8239.9418687270. The cubic root of 67896642 is about 407.9586054697.
It can be divided in two parts, 6789 and 6642, that added together give a palindrome (13431).
The spelling of 67896642 in words is "sixty-seven million, eight hundred ninety-six thousand, six hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •